Question 347: Electromagnetic Induction

Question

A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced e.m.f. is

Accepted Answer

This is the case of periodic EMI
From graph, it is clear that direction is changing twice in 1 cycle.

Answer

four times per revoluation

Answer

six times per revolution

Answer

once per revolution

Answer

twice per revolution

Electromagnetic Induction