Lessons

Eamcet Physics
2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction

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Q.

A vertical ring of radius r and resistance R falls vertically. It is in contact with two vertical rails which are joined at the top. The rails are without friction and resistance. There is a horizontal uniform magnetic field of magnitude B perpendicular to the plane of the ring and the rails. When the speed of the ring is, the current in the section PQ is

View Answer

Correct choice: D

Explanation:

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