Write a C program to implement the following requirement:
Input:
The program will read from the standard input: - On the first line, an integer n (n> 0).
- On the next n lines, each line will contain 4 pieces of information (separated
by a single comma ",") of a student:
Student ID (String) -First name (String)
- Last name (String) - Grade
(Float)
Output:
The program will print out the list of sorted students based on their grades from highest to lowest. If two student have the same grade, student with smaller ID will appear first.
For each student, print out their Student ID, First Name, Last Name, and Grade (2
decimal places float number) separated by a single comma
Requirements:
Use the following struct to store the student information:
struct STUDENT {
char student ID [7];
char *firstName;
char *lastName;
float grade;
}
You MUST use pointer to do the sorting. If you don't use pointer
SAMPLE INPUT 1
2
100200, Elon, Musk, 3.25 123456, John, Oliver,4.00
SAMPLE OUTPUT 1
123456, John, Oliver, 4.00 100200, Elon, Musk, 3.25
SAMPLE INPUT 2
3
678900, Mark, Henry, 4.00
100200, Elon, Musk, 3.75
123456, John, Oliver, 4.00
SAMPLE OUTPUT 2
123456, John, Oliver, 4.00 678900, Mark, Henry, 4.00 100200, Elon, Musk, 3.75
Answers
In this program, we define a structure `STUDENT` to store the student information. We use the `compareStudents` function to compare two students based on their grades and student IDs. The main function reads the input, allocates memory for the students, sorts them using `qsort`, and finally prints the sorted list of students.
Here is a C program that implements the given requirement:
```c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct STUDENT {
char studentID[7];
char *firstName;
char *lastName;
float grade;
};
// Function to compare two students based on their grades and student IDs
int compareStudents(const void *a, const void *b) {
const struct STUDENT *studentA = (const struct STUDENT *)a;
const struct STUDENT *studentB = (const struct STUDENT *)b;
if (studentA->grade > studentB->grade)
return -1;
else if (studentA->grade < studentB->grade)
return 1;
else
return strcmp(studentA->studentID, studentB->studentID);
}
int main() {
int n;
scanf("%d", &n);
struct STUDENT *students = malloc(n * sizeof(struct STUDENT));
for (int i = 0; i < n; i++) {
scanf("%6[^,], %m[^,], %m[^,], %f", students[i].studentID, &students[i].firstName, &students[i].lastName, &students[i].grade);
}
qsort(students, n, sizeof(struct STUDENT), compareStudents);
for (int i = 0; i < n; i++) {
printf("%s, %s, %s, %.2f\n", students[i].studentID, students[i].firstName, students[i].lastName, students[i].grade);
}
// Free allocated memory
for (int i = 0; i < n; i++) {
free(students[i].firstName);
free(students[i].lastName);
}
free(students);
return 0;
}
```
In this program, we define a structure `STUDENT` to store the student information. We use the `compareStudents` function to compare two students based on their grades and student IDs. The main function reads the input, allocates memory for the students, sorts them using `qsort`, and finally prints the sorted list of students.
To execute the program, you can compile and run it using a C compiler, providing the required input. The program will then output the sorted list of students based on their grades from highest to lowest. If two students have the same grade, the one with the smaller student ID will appear first.
Please note that the program uses dynamic memory allocation for the first name and last name strings, which are freed at the end to prevent memory leaks.
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Related Questions
how can the heat pump melt the ice that forms on the outdoor coil?
Answers
A heat pump can melt the ice that forms on the outdoor coil by initiating a defrost cycle. This process involves the following steps:
1. The heat pump detects ice build-up on the outdoor coil using temperature sensors.
2. The system's control board activates the defrost cycle when the sensors identify a significant amount of ice.
3. The heat pump reverses its operation, temporarily changing from heating mode to cooling mode. This means that the outdoor coil becomes the condenser, releasing heat instead of absorbing it.
4. The released heat from the outdoor coil melts the ice on its surface.
5. To avoid cooling the indoor space during the defrost cycle, the heat pump's auxiliary heat (usually an electric resistance heater) is activated to maintain the indoor temperature.
6. Once the ice has melted, the heat pump returns to its normal heating mode, and the outdoor coil resumes its function as an evaporator, absorbing heat from the outdoor air.
This defrost cycle ensures that the heat pump operates efficiently and prevents potential damage caused by ice build-up on the outdoor coil.
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A heat pump can melt the ice that forms on the outdoor coil using a defrost cycle.
During normal operation, the outdoor coil of a heat pump absorbs heat from the outside air, and this causes any moisture present in the air to freeze on the coil when the outdoor temperature is below freezing. This can reduce the efficiency of the heat pump and potentially damage the coil.
To prevent this, the heat pump uses a defrost cycle to melt the ice that has formed on the outdoor coil. The defrost cycle is triggered automatically by a temperature sensor, and it works by temporarily reversing the flow of refrigerant through the heat pump. This causes the indoor coil to become the condenser, and it generates heat that is used to melt the ice on the outdoor coil.
Once the ice has melted, the heat pump resumes normal operation, and the cycle continues. Defrost cycles are an essential feature of heat pumps in cold climates, where ice buildup on the outdoor coil can be a common problem.
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How are semiconductors formed? Give examples of semiconductor
materials? Where are they used?
Answers
Semiconductors are formed by doping pure semiconductor materials. Examples include silicon, germanium, gallium arsenide, and indium phosphide. They are used in integrated circuits, transistors, solar cells, LEDs, lasers, and sensors, among other applications.
Semiconductors are formed through a process called doping, which involves intentionally adding impurities to a pure semiconductor material. The impurities, known as dopants, can introduce extra electrons (n-type doping) or electron deficiencies called holes (p-type doping) into the semiconductor lattice structure.
Examples of semiconductor materials include:
1. Silicon (Si): Silicon is the most widely used semiconductor material. It is abundant, has a well-developed manufacturing infrastructure, and exhibits good electrical properties for various applications.
2. Germanium (Ge): Germanium was one of the first materials used as a semiconductor. It has similar properties to silicon but is less commonly used in modern applications.
3. Gallium Arsenide (GaAs): Gallium arsenide is a compound semiconductor with superior electronic properties compared to silicon. It is used in high-speed devices such as microwave amplifiers, laser diodes, and solar cells.
4. Indium Phosphide (InP): Indium phosphide is another compound semiconductor that finds applications in telecommunications, fiber-optic networks, and high-frequency electronics.
Semiconductors are used in a wide range of electronic devices and technologies, including:
- Integrated Circuits (ICs): Semiconductors form the foundation of ICs, such as microprocessors, memory chips, and sensors, which are used in computers, smartphones, and various electronic devices.
- Transistors: Transistors, which are fundamental components of electronic circuits, are made using semiconductors. They are used in amplifiers, switches, and digital logic circuits.
- Solar Cells: Semiconductors like silicon and gallium arsenide are used in photovoltaic cells to convert sunlight into electricity.
- Light-Emitting Diodes (LEDs): LEDs use semiconductors to emit light efficiently and are used in displays, lighting, and optoelectronic applications.
- Semiconductor Lasers: Semiconductor lasers are used in telecommunications, optical storage devices, laser printers, and medical equipment.
- Sensors: Semiconductors are employed in various sensors, including temperature sensors, pressure sensors, gas sensors, and image sensors.
These are just a few examples of the widespread use of semiconductors in modern technology. Their unique electrical properties make them versatile for a wide range of applications.
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What are the important things to remember when arriving for an interview?
Answers
Answer: That you are dressed appropriately, to speak in a formal manner, and to be confident in your answers.
1 A power transmission includes a belt drive, a chain drive and a gear drive. Which of the following is the best arrangement between a motor and a working machine? (a) belt drive gear drive chain drive (b) chain drive gear drive belt drive (c) belt drive chain drive gear drive (d) chain drive belt drive gear drive
Answers
Answer:d
Explanation:
(d) chain drive belt drive gear drive
The chain drive belt drive gear drive. Thus option D is correct.
Waht is power trasmisson ?The power transmission includes the bulk of the electrical energy form the generating sites such as the power station or the power plant and send to the anelectric substation where the voltage gets transformed and distributed to the insurers on other substations.
They can be mechanical, electrical and hydrologic, etc. The power transmission can move the electricity over larger distances.
Find out more information about the transmission.
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Consider cylindrical and spherical shells with inner and outer surfaces at r₁ and r₂ maintained at uniform tem- peratures T₁ and T₂, respectively. If there is uniform heat generation within the shells, obtain expressions for the steady-state, one-dimensional radial distributions of the temperature, heat flux, and heat rate. Contrast your results with those summarized in Appendix C.
Answers
Consider cylindrical and spherical shells with inner and outer surfaces at r₁ and r₂ maintained at uniform temperatures T₁ and T₂ respectively. If there is uniform heat generation within the shells, the steady-state, one-dimensional radial distributions of the temperature, heat flux, and heat rate expressions can be obtained.
)Where k is the thermal conductivity of the material, T is the temperature distribution, and r is the radial distance.The heat flux distribution equation for the spherical shell can be expressed as follows:q(r) = -k (d(T)/d(r)) ... (4)Where k is the thermal conductivity of the material, T is the temperature distribution, and r is the radial distance.Heat rate distribution.
The heat rate distribution equation for the cylindrical shell can be expressed as follows:Q(r) = -2πkrL (d(T)/d(r)) ... (5)Where k is the thermal conductivity of the material, T is the temperature distribution, and r is the radial distance.
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features of a dry leclanche cell
Answers
Answer:
Primary cell with a nominal open circuit voltage of 1.5 Volts produced in very high volumes. Chemistry based on a zinc anode and a cathode/depolariser of manganese dioxide which absorbs the liberated hydrogen bubbles which would otherwise insulate the electrode from the electrolyte.
Answer:
Explanation:
(1) The electrolyte is a paste of ammonium chloride.
(2) The positive terminal (anode) is a carbon rod surrounded bymangAnese Dioxide as a depolarised .
(3) The negative terminal is zinc container.
For a 4-pole, 2-layer, d.c, lap-winding with 20 slots and one conductor per layer, the number of commutator bars is
Answers
The number of commutator bars for a 4-pole, 2-layer, DC lap winding with 20 slots and one conductor per layer exists 20
What is lap winding in dc machine?
Lap Winding is one kind of winding with two layers, and it is used in electric machines. Every coil in the engine is allied in series with the one nearby coil to it. The applications of lap winding mainly contain low voltage as well as high current devices.
What are the benefits of lap winding?
Advantages of Lap Winding
The advantages of lap windings contain: This winding is necessarily needed for large current applications because it has more parallel paths. It is suited for low voltage and high current generators.
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What tool/program would you use to find the contact information for the administrator of a specific domain (e.g., zappos.com)? a. DNS b. nmap c. Whois d. ipinfo
Answers
The tool/program that would be used to find the contact information for the administrator of a specific domain (e.g., zappos.com) is the Whois program.
Whois is a domain name registration directory.
It allows domain name owners to publicly display their contact information, including their address, email address, and phone number, among other things, to the world.
The Whois database is used to look up this information.
The lookup can be done online through any number of websites that have access to the Whois database, or it can be done through command line tools on your computer.
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Which of these is the number of degrees of crankshaft rotation for which the valve is
lifted off the seat?
A. Duration
B. Lift
C. Overlap
D. Underlap
Answers
What prevented this weld from becoming ropey?
A lower ampera
A higher voltage
The position of the weld
The stepping motion of the weld
Answers
Answer:
If I am not mistaken I believe it is a higher voltage.
Explanation:
Hope this helps
What can firefighters do to reduce the risk to people living in Skyview?
Answers
Answer:
The City can grant higher budgets to emergency services like the Fire Department, so a higher budget will allow engineers & scientists to innovate new technology and add more fire stations across the city.
Explanation:
19 Composite materials are
(a) made mainly to improve temperature resistance
() used for improved optical properties
(c) made with strong fibres embedded in weaker and softer matrix to obtain strength better
than strength of matrix
(d) made with strong fibres embedded in weaker and softer matrix to obtain strength better
than strength of both matrix and filler
Answers
Answer:
Option D
Explanation:
A composite material is made up of two material which have different properties (chemically or physically). The two materials are mixed in such a way that it improves the properties of both the materials (the one in the matrix and the other in the filler) thereby enhancing the overall strength and stiffness of the matrix.
Hence, option D is correct
A correct option is an option (c)
Composite materials:The main advantage of the composite is there higher strength as compared to the matrix.
The strength is very low as compared to the resultant composite and the fiber.
The resultant strength can be calculated in two direction
The longitudinal way is,
\(E=V_mE_m+V_fE_f...(1)\)
The transversal way is,
\(\frac{1}{E}=\frac{V_m}{E_m}+\frac{V_f}{E_f} ...(2)\)
From equations (1) and (2) we get,
\(E_m < E < E_f\)
So, mode with strong fibers embedded in a weaker and softer matrix to obtain strength better than the strength of the matrix.
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In order to fill a tank of 1000 liter volume to a pressure of 10 atm at 298K, an 11.5Kg of the gas is required. How many moles of the gas are present in the tank? What is the molecular weight of the gas? Assuming that the gas to be a pure element can you identify it?
Answers
Answer:
The molecular weight will be "28.12 g/mol".
Explanation:
The given values are:
Pressure,
P = 10 atm
= \(10\times 101325 \ Pa\)
= \(1013250 \ Pa\)
Temperature,
T = 298 K
Mass,
m = 11.5 Kg
Volume,
V = 1000 r
= \(1 \ m^3\)
R = 8.3145 J/mol K
Now,
By using the ideal gas law, we get
⇒ \(PV=nRT\)
o,
⇒ \(n=\frac{PV}{RT}\)
By substituting the values, we get
\(=\frac{1013250\times 1}{8.3145\times 298}\)
\(=408.94 \ moles\)
As we know,
⇒ \(Moles(n)=\frac{Mass(m)}{Molecular \ weight(MW)}\)
or,
⇒ \(MW=\frac{m}{n}\)
\(=\frac{11.5}{408.94}\)
\(=0.02812 \ Kg/mol\)
\(=28.12 \ g/mol\)
Avapor mixture containing 50.0 mole % benzene and 50.0 mole % toluene at 1 atm is cooled isobarically in a closed container from an initial temperature of 115°C. Use the Tsy diagram below to answer the following questions. 115 110 1400 1300 105 100 Vapor 1200 95 Temperature (°C) 90 Liquid 1100 1000 900 Pressure (mm Hg) Liquid 85 800 Vapor 80 700 75 70 600 500 0 1.0 65 0 10 0.2 0.4 0.6 0.8 Mole fraction henvene Polarm 0.2 0.4 0.6 0.8 Mole fraction benzene 7100 First Condensation Your answer is partially correct. At what temperature does the first drop of condensate form? 104 °C What is its composition? 0.20 mol benzene/mol
Last Condensate Your answer is partially correct. At what temperature does the last bubble of vapor condense? °C 98 What is its composition? 0.53 mol benzene/mol
Answers
Answer:
105°touch sensce what I could wathskb
5. Refrigeration refers to space temperatures that are below
What the correct answer?
Answers
Explanation:
The term refrigeration means cooling a space, substance or system to lower and/or maintain its temperature below the ambient one (while the removed heat is rejected at a higher temperature). In other words, refrigeration is artificial (human-made) cooling.
Refrigeration, is the act of removing undesirable heat from one thing, substance, or space and transferring it to another object, substance, or space.
What is refrigeration?Refrigeration refers to the process of chilling an area, material, or system in order to decrease and or keep its temperature below that of the surrounding environment.
Refrigeration, sometimes known as chilling, is the act of removing undesired heat from one item, substance, or area and transferring it to another.
The temperature can be lowered by using ice, snow, cooled water, or mechanical refrigeration to remove heat.
Hence,refrigeration, is the act of removing undesirable heat.
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Which electrode uses a whip technique and why
Answers
Answer:
STICK SKILL DRILL...
Explanation:
The skill drill uses a Whip and Pause technique.The reason for whip and pause is that 6010 electrodes are fast freezing electrodes and the momentary whips allow the puddle to solidify a bit ..Length of Art..Too long an arc causes problems so try to keep the arc equal to or shorter than diameter of electrode.
Which gas is released in the SMAW process causing a
shielding affect on the molten weld pool?
•nitrogen
•carbon dioxide
•argon
•hydrogen
Answers
_________are/is NOT a statistical tool for prescriptive analytics.
O Data mining
O Decision trees
O Optimization
O Simulation
Answers
Answer:
he u do in j eh g or something else for my T to go do for I do u do so he. hey it trjdu
Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
Answers
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
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the most accurate device to measure a volume of a standard solution is:a. serological pipetteb. auto micropipettec. volumetric pipetd. transfer pipet
Answers
The volumetric pipette is the most accurate device to measure the volume of a standard solution. Therefore, the correct answer is (c) i.e. volumetric pipette.
The volumetric pipette is the most accurate pipette out of all for measuring volumetric annalysis. Volumetric pipettes are glasswares that are designed to transfer a particular small volume of sample fluid from one container to another in a very stable and controlled manner while preserving an accurate record of each sample drop.
What are pipettes?
In the context of the laboratory, pipettes are used to transfer liquid from one container to another accurately and swiftly. While there exist several different types of pipettes, it is vital to take into account that some certain pipettes offer more accuracy as a comparison to others.
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Bruce wants to present to his client in architectural drawing that shows the exact details of a living room kitchen bedroom and stairs in relation to other areas of the house which type of architectural drawings should Bruce use?
Answers
Answer:
section view in a general plan.
Explanation:
In Engineering, it is a standard and common practice to use drawings and models in the design and development of buildings, tools or systems that are being used for proffering solutions to specific problems in different fields such as banks, medicine, telecommunications and industries.
Hence, an architect or design engineer make use of drawings such as pictorial drawings, sketches, or architectural (technical) drawing to communicate ideas about a plan (design) to others, record and retain informations (ideas) so that they're not forgotten and analyze how different components of a plan (design) work together.
Architectural drawing is mainly implemented with computer-aided design (CAD) software and it's typically used in plans and blueprints that illustrates how to construct a building or an object.
Additionally, architectural drawings such as a section view in a general plan, show in detail how the areas of a building relate to each other, as well as accurately illustrating the actual (true) shape and size of a building in the design and development process.
In this scenario, Bruce wants to present to his client an architectural drawing that shows the exact details of a living room, kitchen, bedroom and stairs in relation to other areas of the house. Thus, the type of architectural drawings Bruce should use is a section view in a general plan.
A section view presents a vertical perspective or view by slicing through the building; revealing the exact details of wall construction, floor-to-floor construction, height and thickness of beam, and other support systems with respect to the living room, kitchen, bedroom, etc., in the building.
order the following key steps that bi follow to transform raw data into easy to digest insights for everyone in an organization to use.
Answers
Steps in order to transform raw data into easy to digest insights for everyone in an organization to use:
1. Collect and transform data from multiple sources
2. uncover trends and inconsistencies using tools such as Data Mining
3. present findings using tools such as visualization
4. take action on insights in real time
What is raw data?The information that is gathered from a source, but in its unprocessed form, is known as raw data. It hasn't been cleaned, arranged, or visually presented yet, let alone processed.
Raw data can be manually typed, written down, recorded, or entered automatically by a machine. Databases, files, spreadsheets, and even source devices like cameras are just a few of the places where you can find raw data. One type of potential energy-containing data is raw data.
Here are some illustrations of raw data:
A list of every purchase made at a store during a month, but without any additional organization.Each and every frame of overnight security camera footagegrades for a quarter of all students in a school districtLearn more about raw data
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15. what is the turns ratio of a transformer having 250 primary turns and 1,000 secondary turns? what is the turns ratio when the primary winding has 400 turns and the secondary winding has 100 turns?
Answers
What is ratio?
A ratio indicates the number of times one number contains another. For example, if a dish of fruit contains eight oranges as well as six lemons, the orange-to-lemon ratio is eight to six. Similarly, the proportion of lemons to oranges is 6:8 (or 3:4), while the proportion of oranges to overall fruit is 8:14. (or 4:7). The numbers in a ratio can be any quantity, such as a count of people or things, or measurements of lengths, weights, time, and so on. Both numbers must be positive in most cases.
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5.33 After having been in position 1 for a long time, the switch in the circuit of Fig. P5.33 was moved to position 2 at t = 0. Given that Vo = 12 V, R = 30 k-2, R2 = 120 k2, R3 = 60 k2, and C = 100 MF, determine: (a) ic(0) and vc(0) (b) ico) and vc0) (c) cico) and ucco) (d) uc(1) for 2 0 (e) ic(t) fort > 0 Ri w 2 O R33 Uc R2 Figure P5.33: Circuit for Problems 5.33 and 5.34. 5.34 Repeat Problem 5.33, but with the switch having been in position 2 for a long time, and then moved to position 1 at 1=0.
Answers
In Problem 5.33, the switch in the circuit was moved to position 2 at t = 0 after having been in position 1 for a long time.
This means that the circuit was in a steady state before the switch was moved. Given the values of Vo, R, R2, R3, and C, we can determine various quantities of interest.
(a) At t = 0, the capacitor C acts as an open circuit, and the circuit reduces to a simple voltage divider consisting of R and R2. Therefore, the voltage across R2 is Vo*(R2/(R+R2)) = 9.6 V, and the voltage across R is Vo*(R/(R+R2)) = 2.4 V. Since there is no current flowing through the capacitor, ic(0) = 0 A, and vc(0) = 0 V.
(b) After the switch is moved to position 2, the circuit becomes a simple RC circuit with R3 and C in series. The initial condition for the capacitor voltage is vc(0) = 0 V. Therefore, the initial condition for the capacitor current is ico) = C*dvc(0)/dt = 0 A. The initial condition for the voltage across R3 is vc0) = Vo*(R2/(R+R2)) = 9.6 V.
(c) The time constant of the circuit is given by tau = R3*C = 6 s. The capacitor current can be expressed as ico(t) = ico)*exp(-t/tau), and the capacitor voltage can be expressed as vc(t) = vc0)*(1-exp(-t/tau)). Therefore, cico) = 0 A, and ucco) = vc0)*(1-exp(0)) = 9.6 V.
(d) After the switch is moved to position 1, the circuit becomes a simple voltage divider consisting of R and R3 in series. The initial condition for the capacitor voltage is vc(0) = 9.6 V. Therefore, the initial condition for the voltage across R is uc(1) = Vo*(R/(R+R3)) = 4.8 V.
(e) The capacitor current can be expressed as ic(t) = ico)*exp(-t/tau), where ico)* = ico(t=0) = 0 A. Therefore, ic(t) = 0 A for t > 0.
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If a circuit produces a phase shift of 45 degrees between the voltage and current curves and the apparent power is 100 VA, what is the TRUE power in the circuit?
50 W
70.7 VA
70.7 W
100 A
Answers
The true power is obtained as 70.7 VA.
What is the true power?We define the power a the rate of doing work, we know that the power in a circuit is the product of the current and the voltage. In this case, we want to find the true power thus we have to involve the use of the phase shift in degrees.
Thus;
True power = PcosΦ
P = 100 VA
Φ = 45 degrees
True power = 100 VA * cos 45 degrees
True power = 70.7 VA
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Shhh: The letters of BLITZED CHEERS can be rearranged to make what two units of measurement that, IN ORDER, best complete the blanks in this sentence: "The frequency of sound is expressed in cycles per second, more commonly referred to as ___, while the amplitude of sound is expressed in ___."?
Answers
Note that the letters of BLITZED CHEERS can be rearranged to make what two units of measurement as HERTZ and DECIBELS in that order.
What is the explanation for the above response?Note that Hertz (Hz) is the unit of measurement for frequency and represents the number of cycles that is completed by a sound wave.
Also, Decibles (dB) is the smallest unit of measurement that is used to measure amplitude. It is the strenght or intensity of a sound wave.
Thus, it is correct to stat that he letters of BLITZED CHEERS can be rearranged to make what two units of measurement as HERTZ and DECIBELS in that order.
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please help me make a lesson plan. the topic is Zigzag line. and heres the format.
A. Objective
B. Subject matter
C. Learning activities.
D. Assessment.
E. Reinforcement
Answers
Explanation:
D. B. C. A. E. Is this a good idea
Which of the following dc motors acts as a form of electrical ratchet
Answers
Among the DC motors listed, the electrical ratchet mechanism is commonly associated with a stepper motor.
What is a Stepper Motor?
The electrical ratchet mechanism is typically linked with a stepper motor among the available options for DC motors. A stepper motor makes use of electrical pulses to initiate precise rotational movements, thereby enabling accurate control over its operation.
It generally follows a sequential process where each movement is associated with a set rotation angle. The stepper motor shares a quality with an electrical ratchet as it moves forward in specific intervals, reminiscent of the ratcheting action.
The ratchet-like behavior isn't inherent in other forms of DC motors like brushless DC motors and brushed DC motors.
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Help!!
Which of the following describes the first and foremost guideline in dimensioning?
A. Legibility
B. Measurement
C. Accuracy
D. Sketching
Answers
Answer:
it should be accuracy
Explanation:
Answer:
option C
Explanation:
Calculate the current in the coiled heating element of a 240-V stove. The resistance of the element is 60 ohms at its operating temperature.
Answers
Answer:
4 A
Explanation:
Current is found using Ohm's law.
I = V/R
I = (240 volts)/(60 ohms) = 4 A
The heating element current is 4 amperes.