Q.
Predict the polarity of the capacitor in the situation described by figure.
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a
plate A will be positive with respect to plate B
b
plate B will be positive with respect to plate A
c
both plates have same polarity
d
both plates will be neutral
answer is A.
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Detailed Solution
The direction of induced emf will be clockwise as seen from the side of the right hand side magnet and at the same time it will anticlockwise current from the left hand side as N pole is approaching.
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