8. 2 points) A vertical conducting bar forms a complete rectangular loop with th

Question

8. 2 points) A vertical conducting bar forms a complete rectangular loop with the conductor it is sliding on The vertical bar is moving to the right at a constant speed in a region with a uniform external magnetic field. Points A and B are the same distance from the sliding bar at the instant shown. Uniform external magnetic field Vertical sliding bar Three students make the following statements about the total magnetic field at A and B: Antonio: "I think the magnetic field at points A and B will be the same since they are the same distance from the vertical bar." Brooke: "Ithink the magnetic field at point A is the same as the external field because it is outside the loop and at point B it will be larger." Carlos: "No, I think the magnetic fields at points A and B will both be larger than the external field due to the induced magnetic field." Which of these students is correct? Antonio Brooke Carlos None of these students Explain:

Explanation / Answer

correct statement is............................ brooks statement

from faradays law induced emf is form at point b

so at point b total magnetic field = external field + induced field

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