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

 

 

 

 

 

 

Option A six times per revolution
Option B once per revolution
Option C twice per revolution
Option D four times per revolution

Solution: Correct Option C

The change of direction of induced emf is twice per revolution