when a dentist takes x-rays, they must be careful to correctly interpret the results. in one study, it was found that dental students and new dentists were much more likely than experienced dentists to think the x-ray below showed a fracture in the tooth (pointed by the black arrow). but there is not really a fracture present. what illusion makes the 'fracture line' look darker and more serious to the less experienced dentists than it really is?
Answers
In a case whereby a dentist takes x-rays, they must be careful to correctly interpret the results. in one study, it was found that dental students and new dentists were much more likely than experienced the illusion that makes the 'fracture line' look darker and more serious to the less experienced dentists than it really is Mach bands.
What is Mach bands?Mach bands can be described as the illusory dark as well as the bright bars seen at the foot and knee of a luminance trapezoid this wa explained by Ernst Mach in the latter part of the 19th century however the Mach bands can be regarded as the test bed not only for models of brightness illusions but of spatial vision in general.
Therefore, in the bcase above the illusion that makes the 'fracture line' look darker as wwell as serious to the less experienced dentists than it really is Mach bands.
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Related Questions
67.0mi/hr to m/s
please show work
Answers
Determine the condition of the airplane:
Pilot and copilot = 400 lb
Passengers -- aft position = 240 lb
Baggage = 20 lb
Fuel = 75 gal
Answers
The condition of the airplane, considering the weights of the pilot, copilot, passengers, baggage, and fuel, is important for ensuring safe flight operations and determining the aircraft's center of gravity.
To assess the condition of the airplane, we need to calculate the total weight and the location of its center of gravity (CG). Let's break down the given weights:
- Pilot and copilot: 400 lb
- Passengers (aft position): 240 lb
- Baggage: 20 lb
- Fuel: 75 gal
To determine the total weight, we sum up the weights of the pilot, copilot, passengers, baggage, and fuel. Assuming the average weight of fuel is approximately 6 lb/gal, the total weight would be:
400 lb + 240 lb + 20 lb + (75 gal * 6 lb/gal) ≈ 1,110 lb.
To calculate the CG location, we need to know the arm (distance) from a reference point. Without that information, it is difficult to provide a precise assessment. The CG position affects the aircraft's stability and control. It is crucial to ensure the CG is within specified limits to maintain safe flight characteristics.
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The primary coil of a transformer has 497,119 loops. The secondary coil has 2,721 loops. The primary coil has a 52 A current and 56 V.
a.) Is this a step-up or step-down transformer? How do you know? Choose one of the following.
It is a step-up transformer because the primary current is less than the primary voltage.
It is a step-up transformer because all transformers are step-up transformers.
It is a step-down transformer because all transformers are step-down transformers.
It is a step-down transformer because the primary has more loops than the secondary.
It is a step-down transformer because the primary current is less than the primary voltage.
It is a step-up transformer because the primary has more loops than the secondary.
b.) Determine the power of the primary coil.
W
c.) Assuming no losses, determine the power of the secondary coil.
W
d.) Calculate the voltage in the secondary coil.
V
e.) Calculate the current in the secondary coil.
A
Answers
The given transformer is a step-down transformer since the primary coil has more loops than the secondary coil. The power of the primary coil is 2,912 W, and assuming no losses, the power of the secondary coil is also 2,912 W.
a.) It is a step-down transformer because the primary has more loops than the secondary.
The primary coil has 497,119 loops, which is greater than the 2,721 loops of the secondary coil. In a step-down transformer, the primary coil has more loops than the secondary coil, resulting in a decrease in voltage from the primary to the secondary.
b.) To determine the power of the primary coil, we can use the formula P = VI, where P is power, V is voltage, and I is current. Given that the primary current is 52 A and the primary voltage is 56 V:
Power of the primary coil (P) = 56 V * 52 A = 2,912 W.
c.) Assuming no losses, the power of the secondary coil is equal to the power of the primary coil. Therefore, the power of the secondary coil is also 2,912 W.
d.) The voltage in the secondary coil can be calculated using the turns ratio of the transformer. The turns ratio is given by the equation: Turns ratio = Number of turns in the secondary coil / Number of turns in the primary coil. In this case:
Turns ratio = 2,721 / 497,119 ≈ 0.00548.
Therefore, the voltage in the secondary coil is:
Voltage in the secondary coil = Turns ratio * Primary voltage = 0.00548 * 56 V ≈ 0.307 V.
e.) To calculate the current in the secondary coil, we can use the equation I = P / V, where I is current, P is power, and V is voltage. Assuming no losses, the power of the secondary coil is 2,912 W, and the voltage is 0.307 V:
Current in the secondary coil (I) = 2,912 W / 0.307 V ≈ 9,481 A.
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From 10 to 20 seconds, the object is traveling at a constant 5 meters per second. How far did it travel in that 10 second time frame?
Answers
Answer:50m
Explanation:
. Exercises that specifically prepare the muscles for active movements
Answers
Answer:
Dynamic Stretching
Explanation:
Dynamic Stretching: Dynamic stretches are controlled movements that prepare your muscles, ligaments and other soft tissues for performance and safety.
Stretching such as toe touches
diagram 1 shows a teenage boy skating along a straight path. His velocity decreases from 5.0ms-1 to 3.0ms-1 as he moves through a distance of 16.0 m. What is his deceleration?, in ms-2?
Answers
The ant’s aunt travels from the 35.00 cm mark to the 10.00 cm mark. What is the ant’s aunt’s displacement?
Answers
Answer:
-25
Explanation:
To solve this all you need to do is find the difference the difference between 35 and 10 is 25 however the number is getting smaller so this is negative displacement, therefore it is -25 displacement.
The ant’s aunt travels from the 35.00 cm mark to the 10.00 cm mark. The Aunt’s displacement is 25 cm.
What is Displacement ?Displacement is vector quantity. It has both magnitude and direction. It is expressed in m. Displacement is nothing but distance from mean position. Main difference between distance and displacement is distance is a total distance travelled by a body and displacement is distance from mean position. for example when a body moves from a point and travels to exact initial point where it has started, then distance will be the total distance it has travelled and displacement is zero cause mean position of point and final position of points are same.
Displacement is given by,
x = x₂ - x₁
where x₂ is final position and x₁ is initial position.
given,
x₂ = 10 cm
x₁ = 35 cm
Displacement x = 10-35 = -25 cm
negative sign represents, ant is moving in negative x direction.
Hence to know more about velocity, click :
The ant’s travels from the 35.00 cm mark to the 10.00 cm mark. The Aunt’s displacement is 25 cm.
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If the position of a car is zero, does its speed have to be zero?
Answers
No, a car's speed need not be zero if its location is zero.
Speed is the rate of motion of an item, independent of its position. Therefore, even though a car's position is zero (i.e., it is at a specific location), it may still be in motion, which indicates that it has a speed that is not zero.
For instance, if a car is stopped at a traffic light, its position may be zero, but as soon as the light turns green, the automobile begins to move ahead, changing its position from zero to something other than zero, which is its speed.
The car's speed, regardless of position, would be 0 if it were at rest and not moving.
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Which of these is an example of acceleration?
a bicyclist turning around a corner
a car traveling south with its cruise control set
a bus traveling north at 25m/s
a helicopter waiting to take off
Please help me. I'm stuck.
Answers
Answer:
I think its the helicopter one
Explanation:
it could be the bus one though
please help me. ill give you brainliest if you help me (please only answer if you have the right one)
Answers
Answer:410.022779
Explanation: To figure out force, you use the equation F=MA. Well, in this case, you're trying to find M. The mass. All you have to do is rearrange. F=MA turns into A=F/M.
Module 3 Discussion!
After reading Ch.12 and 13 of the text (The essentials of Finance and Accounting for nonfinancial managers/ Third Edition) on Strategy and Financial Forecasting, watching the SWOT video based on Paley’s Products from the Ratio Analysis in Module 2 and the additional narrative information in Appendix C, Phase
Create a SWOT analysis that will reflect the TOWS analysis as described in Ch. 12 of the text. The purpose of the SWOT analysis is to lay out several issues and possibilities to be considered in Paley’s strategic planning. The strengths and weaknesses are internal issues, whereas the opportunities and threats are external.
The second part of the analysis is to create actions based on the SWOTs. This is sometimes called a TOWS analysis and is done by comparing the boxes, two at a time:
Offensive actions come from strengths that link to opportunities, so a specific strength can be applied to exploit an opportunity.
Adjusting actions come from addressing weaknesses, which then can be used to exploit opportunities that previously had not been possible.
Turnaround actions come from weaknesses that link to threats. These are high-risk issues where a priority needs to be given to addressing the weakness to minimize the vulnerability.
Defensive actions come from threats that link to strengths. These are latent issues because if the threat materializes, an already-existing strength is available to counter it.
Additional actions can be included to address other issues not directly identified in the SWOTs.
3. From the actions identified in part 2, pick 3-5 strategic actions that you feel Paley must achieve or at least start in the upcoming year and state your reasons for including them.
Attach your completed SWOT form and list of strategic actions with supporting logic and facts from the case as your answer for this discussion question. These actions are the foundation for the strategic plan
Answers
SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-
They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.
Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.
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What is the definition of period?
Answers
Answer:
A form of punctuation that marks the end of a sentence, statement, etc.
Explanation:
. is a period.
It can be used in a sentence, such as this one.
not sure what period you mean, but if you mean in history n stuff: it means a certain era/time something happened. like the "golden age" it's called that because it didn't last forever/ it was just a phase yknow?
You are skateboarding in your friend's driveway. You hit a rock and your
skateboard stops, but you go flying forward and hit the ground because of
Answers
Answer:
the rock hit the board you go flying because you board stops but you have energy still going so there for you go flying
Explanation:
Answer: You are correct the reasoning is inertia.
Explain: Inertia is the ability to resist change in movement. But that is irrelevant to this question. Newtons first law, “An object in motion stayes in motion unless stopped by an outside force. This case, the outside force is the ground.
two parallel wires separated by 2.20 cm each carry 43.0 a and experience a force of 0.700 n. if one wire is very long, how long is the other one?
Answers
Two parallel wires separated by 2.20 cm each carry 43.0 A and experience a force of 0.700 N. If one wire is very long, so the length of the other wire is 2 × 10² m.
Given data:
Separation between two parallel wires, d = 2.20 cm
Current passing through wires, I = 43.0 AForce between two parallel wires, F = 0.700 N
We need to find the length of the wire.
Force between two parallel wires is given by the formula;
F = μ0 x I1 x I2 x L / d
where,
μ0 = 4π × 10⁻⁷ T m/A is the magnetic permeability of free spaceI1 and I2 are the current passing through wires L is the length of wire d is the distance between the two parallel wires
Substituting the values of the given data,
0.700 = 4π × 10⁻⁷ × 43.0 × I2 × L / 0.0220I2L = 0.700 × 0.0220 / 4π × 10⁻⁷ × 43.0L = 2 × 10² mTherefore, the length of the other wire is 2 × 10² m.
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Compare wind Energy and Biomass Energy with necessary explanation and neat diagram.
Answers
Wind Energy: Harnesses the power of wind to generate electricity. Biomass Energy: Converts organic materials into usable energy sources.
Wind Energy: Wind energy is produced by using wind turbines to harness the power of the wind. The kinetic energy of the moving air is captured by the turbines, which then transform it into electrical energy. The steps in the procedure are as follows:
Large blades make up a wind turbine, which rotates when the wind blows, powering a generator to generate electricity.
The energy produced is clean and does not lead to pollution or greenhouse gas emissions.
Typically, wind farms are found in wide spaces with strong winds, like plains or coastal locations.
The amount of wind available and the effectiveness of the turbines determine the energy output.
/|\
|
/ \
Wind Turbine
Biomass Energy: Organic matter, such as plants, agricultural byproducts, or organic trash, is the source of biomass energy. It involves the subsequent procedure: Biomass is gathered and processed to create fuels like ethanol, biogas, or wood pellets.
To release energy, the fuel is burned or processed using a variety of processes.
The energy from biomass can be converted into heat, electricity, or used as a fuel for automobiles.
The procedure generates carbon dioxide, but because it also absorbs carbon during the growth of biomass feedstocks, it is regarded as carbon-neutral.
Utilising organic waste products, biomass energy can aid in waste management.
Plant/ Organic Waste
|
Biomass
|
Conversion
|
Heat/ Electricity/ Fuel
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Places on earth where most of the earthquakes originated or some mountains and
volcanoes were formed mark the boundaries of each ____________plate.
Answers
Answer:
techtonic
Explanation:
The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H2O) and O2 gas. Which coefficients would be placed in front of water and oxygen?
2 in front of water and 2 in front of oxygen
1 in front of water and 2 in front of oxygen
1 in front of water and 1 in front of oxygen
2 in front of water and 1 in front of oxygen
ANSWER IS D
Answers
Answer:
Explanation:
2*H₂O
1*O₂
2 in front of water and 1 in front of oxygen
a pair of electrons would have _________ when they are close together than when they are far apart.
Answers
A pair of electrons would have a lower energy when they are close together than when they are far apart.
How does energy of electron change?The energy of an electron can change in various ways, including:
Absorption of photons: An electron can absorb a photon of light and transition to a higher energy level.
Collisions with other particles: An electron can collide with another particle and gain or lose energy.
Electric or magnetic fields: An electron can experience a change in energy when it moves through an electric or magnetic field.
Changes in the potential energy: The potential energy of an electron can change as it moves closer to or farther away from the nucleus of an atom.
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an object is shot vertically upward into the air with an initial velocity of 20 m/s? which of the following correctly describes the velocity and acceleration of the object after 4seconds?
Answers
Answer:
Answer is (C)
Explanation:
For acceleration
• If the motion is vertically, then acceleration is 9.8 m/s²
» Upward motion, acceleration is negative (-9.8)
» Downward motion, acceleration is positive (+9.8)
For velocity
\({ \rm{v = u + gt}} \\ { \rm{v = 20 + ( - 9.8 \times 4)}} \\ { \rm{v = - 19.2 \: m {s}^{ - 1} }}\)
which set(s) of waves travels through the earth's interior?
Answers
The set of waves that travels through the Earth's interior consists of seismic waves.
Seismic waves are waves of energy that are generated by various sources, such as earthquakes, volcanic activity, or human-made explosions. These waves propagate through the Earth's layers, providing valuable information about the Earth's interior structure.
There are two primary types of seismic waves: P-waves (primary waves) and S-waves (secondary waves). P-waves are compressional waves that can travel through solids, liquids, and gases. They are the fastest seismic waves and are capable of traveling through the Earth's interior in a straight line. S-waves, on the other hand, are shear waves that can only travel through solids. They are slower than P-waves and can only propagate through the solid layers of the Earth.
In addition to P-waves and S-waves, there are also surface waves, which travel along the Earth's surface and are responsible for the most significant damage during earthquakes. Surface waves include Rayleigh waves and Love waves.
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a race car starts from rest, speeds up with constant acceleration, and reaches a final velocity of 80 m/s. what was the average velocity of the car in m/s?
Answers
The average velocity of the car is 40m/s
The average velocity of an object can be determined by dividing the change in position by the change in time.
For this situation, the vehicle begins from rest (initial velocity of 0 m/s) and arrives at a final velocity of 80 m/s.
We can use the equation:
Average velocity = (final velocity + initial velocity) / 2
Average velocity = (80 m/s + 0 m/s) / 2
Average velocity = 40 m/s
This is the average velocity of the vehicle during the entire time interval. Remember that this isn't equivalent to the instantaneous velocity at one point in time, which can be not quite the same as the average velocity.
It's important to take note of that on the off chance that the vehicle's speed increase isn't constant, the average velocity won't rise to the final velocity in addition to the initial velocity isolated by two.
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irina of mass 110 kg floats in fresh water. what is her approximate volume in m3? (human density is about 1000 kg/m3)
Answers
Irina of mass 110 kg floats in fresh water, the volume is 0.06m³.
What is buoyant force?The buoyant force is the upward force exerted on any object by the fluid. If the buoyant force is lesser than the object's weight, the object will sink while if buoyant force is greater than the object's weight it will float.
In the question irina of mass 110 kg floats in fresh water that indicates:
weight of irina = buoyant force
mg = Vρg
m = Vρ
Where, m = mass of irina
V = volume
ρ = density of water
110 = V × 1000
V = \(\frac{110}{1000}\)
V = 0.11m³
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How far did car A travel in the time interval t = 0 to t = 6?
Answers
Answer: Problem 03.043 - Velocity-time graph The figure shows a plot of vx(for a car traveling in a straight line. Vx (m/s) 20 | 15 20 7(s) What is aav.x between t = 9.00 s and t = 110 s? 7 m/s2 What is Vav,x for the time interval from t= 9.00 s to r= 110 s? What is Vav.x for the interval t = 0 to t= 15.0 s? m/s What is the increase in the car's speed between 10.0 s and 15.0 s? m/s How far does the car travel from time t = 100 s to t = 170 s?
The answer is 03.043 but i dont know maybe my brain is incorrect but I got 03.043. :| hope it helped if its correct.
Explanation: Well, I havent done math in a while bc im not in school anymore so i forgot all that stuff :|
If the force exerted by the intern is doubled and the distance is haived, does the work done by the intern increase, decrease, or remain the same.I want the answer asap
Answers
Answer:
The work remains the same
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A 3.70 μF capacitor that is initially uncharged is connected in parallel with a 7.00 kΩ resistor and an emf source with E= 300 V negligible internal resistance.
1) A long time after the circuit is completed (after many time constants) what is the voltage drop across the capacitor?
2) A long time after the circuit is completed (after many time constants) what is the voltage drop across the resistor?
3) A long time after the circuit is completed (after many time constants) what is the charge on the capacitor?
4) A long time after the circuit is completed (after many time constants) what is the current through the resistor?
Answers
After a long time, the voltage drop across the capacitor is zero as it becomes fully charged and behaves like an open circuit. After a long time, the voltage drop across the resistor is equal to the emf of the source, which is 300 V. After a long time, the charge on the capacitor is equal to the maximum charge it can hold. After a long time, the current through the resistor is zero since the capacitor is fully charged and no current flows through it.
After a long time, the capacitor becomes fully charged and acts as an open circuit. Therefore, no current flows through it, resulting in zero voltage drop across the capacitor.
After a long time, the capacitor is fully charged and behaves as an open circuit. In this case, the voltage drop across the resistor is equal to the emf of the source, which is 300 V.
The charge on the capacitor can be determined using the formula Q = CV, where Q is the charge, C is the capacitance, and V is the voltage across the capacitor. After a long time, the voltage across the capacitor becomes equal to the emf of the source, which is 300 V. Therefore, the charge on the capacitor is Q = (3.70 μF)(300 V) = 111 μC.
After a long time, the capacitor is fully charged and no current flows through it. Therefore, the current through the resistor is zero.
In summary, after a long time, the voltage drop across the capacitor is zero, the voltage drop across the resistor is equal to the emf of the source (300 V), the charge on the capacitor is 111 μC, and the current through the resistor is zero.
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Investigators are exploring ways to treat milk for longer shelf life by using pulsed electric fields to destroy bacterial contamination. One system uses 8. 0-cm-diameter circular plates separated by 0. 95 cm. The space between the plates is filled with milk, which has the same dielectric constant as that of water. The plates are briefly charged to 30,000 V. What is the capacitance of the system? How much charge is on each plate when they are fully charged?
Answers
The given system consists of two 8.0-cm-diameter circular plates separated by 0.95 cm, which are filled with milk. The capacitance of the system can be calculated as follows:Explanation:Capacitance is defined as the charge stored per unit potential difference,using the formula C = Q/V, where C is capacitance, Q is charge, and V is potential difference.
In this case, the capacitance of the system can be calculated using the formula for the capacitance of parallel plate capacitors:
\(C = εA/d\),
where C is capacitance, ε is the permittivity of free space, A is the area of each plate, and d is the distance between the plates.The area of each plate can be calculated using the formula for the area of a circle:
\(A = πr²\),
where r is the radius of the circle.Substituting the given values into the formula, we get:
\(C = εA/dC = (8.85 × 10⁻¹² F/m) × [(π × (8.0/2 × 10⁻² m)²)/0.95 × 10⁻² m]C = 6.21 × 10⁻¹⁰ F\)
Thus, the capacitance of the system is \(6.21 × 10⁻¹⁰ F\).
The amount of charge on each plate when they are fully charged can be calculated using the formula Q = CV, where Q is charge, C is capacitance, and V is potential difference.Substituting the given values into the formula, we get:
\(Q = CVQ = (6.21 × 10⁻¹⁰ F) × (30,000 V)Q = 1.86 × 10⁻⁵ C\)
Thus, the amount of charge on each plate when they are fully charged is \(1.86 × 10⁻⁵ C\).
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santa ana winds warm by ____________________ as they flow down an elevated desert plateau.
Answers
I found it on bing:) have a good one.
the hot and neutral wires supplying dc power to a light rail commuter train carry 800 a and are separated by 75.0 cm.
Answers
Main answer: The magnetic field between the hot and neutral wires supplying DC power to the light rail commuter train is 0.0053 T.
The magnetic field between two parallel conductors can be calculated using the equation B = (μ0*I)/(2π*r), where B is the magnetic field, μ0 is the permeability of free space, I is the current, and r is the distance between the wires. Plugging in the given values, we get:
B = (4π x 10^-7 T*m/A)*(800 A)/(2π*0.75 m)
B = 0.0053 T
Therefore, the magnetic field between the hot and neutral wires supplying DC power to the light rail commuter train is 0.0053 T.
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The chemical symbol for nitrogen is
A Na
B Ni
Ne
DN
Answers
The chemical symbol for nitrogen is N
\(▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)
Chemical symbol for nitrogen is :
D.) " N "A wire is placed within a magnetic field, and a current starts to flow through
the wire. Which statement about the magnetic field must be true?
O A. The field is produced by permanent magnets,
O B. The field is moving
C. The field is produced by induced magnetism.
OD. The field is not moving
PLEASE PLEASE HELP QUICK
Answers
Answer:
B. The field is moving