Electro Magnetic Induction And Alternating Currents Question 425

Question: When a wire loop is rotated in a magnetic field, the direction of induced e.m.f. changes once in each [MP PMT 1991, 04]

Options:

A) $ \frac{1}{4} $ revolution

B) $ \frac{1}{2} $ revolution

C) 1 revolution

D) 2 revolution

Show Answer

Answer:

Correct Answer: B

Solution:

This is the case of periodic EMI



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