A square loop of wire with a small resistance is moved with constant speed from
ID: 1581565 • Letter: A
Question
A square loop of wire with a small resistance is moved with constant speed from a field free region into a region of uniform B field (B is constant in time) and then back into a field free region to the left. The self inductance of the loop is negligible, Upon entering the field, a counterclockwise current flows in the while the loop is entirely in the field, the emf in the loop is When leaving the field the coil experiences a magnetic force to when entering the field the coil experiences a magnetic force False oop. True zero. False the left. False to the left.Explanation / Answer
a) Flase
Because, the current direction will be counterclockwise
b) True.
Because, There is no change in magnetic flux through the loop.
c) False
Because, The direction of magnetic force will be towards right.
d) False
Because, The direction of magnetic force will be towards right.
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