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27. The magnet in figure rotates a shown on a pivot through its centre. At the instant shown, what are the directions of the induced currents?(a) \( A \) to \( B \) and \( C \) to \( D \)(b) \( B \) to \( A \) and \( C \) to \( D \)(c) \( A \) to \( B \) and \( D \) to \( C \)(d) \( B \) to \( A \) and \( D \) to \( C \) |
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Answer» Answer: (b) B to A and C to D As the N-pole of the magnet moves closer to CD and S-pole moves closer to AB, S pole develops at the end near B and N pole develops at the end near C (Lenz's Law). Induced currents will be from B to A and from C to D. |
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