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Topic: Magnetism and electromagnetic induction, faraday's law, lenz's law Question: A magnet is held a little above...

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Physics

Topic: Magnetism and electromagnetic induction, faraday's law,lenz's law

Question: A magnet is held a little above the top of a coil. Itis then dropped into and through the loop, north side facing down,and caught as it exits the loop. Assuming the magnet never touchedthe loop (zero friction), would its velocity after falling throughthe loop be greater, smaller, or the same as if it had been droppedfreely (not through the loop)? Explain your answer using forceconcepts and using energy concepts.

Answer & Explanation Solved by verified expert
3.6 Ratings (543 Votes)
Its speed would be smaller than that if it would had been dropped freely Explanation using Force concepts As the magnet will start moving towards the coil flux passing through the coil will start increasing as a result a current would be induced in the coil which will oppose the    See Answer
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