MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
The following figure shows a small bar magnet falling freely through a copper ring. For the observer at A, the direction of the induced current will be : (a) clockwise when magnet is above and below the ring (b) anticlockwise when magnet is above and below the ring (c) anticlockwise when magnet is above the ring and clockwise when the magnet is below the ring (d) clockwise when magnet is above the ring and anticlockwise when the magnet is below the ring
Topic: Electromagnetic induction and Lenz's law
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Answer
Exam answer
(c) Anticlockwise above the ring and clockwise below it.
Explanation
By Lenz’s law, the induced current opposes the change in magnetic flux.
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