NEET 2001 Physics question

Physics Electromagnetic Induction NEET 2001

For a coil having L = 2 mh, current flow through it is then the time at which emf become zero : -

(1)2 sCorrect
(2)1 s
(3)4 s
(4)3 s

Answer: (1)

Solution

The induced emf is , which is zero when . $ =

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Question ID VK-088769