NEET2013PhysicsElectromagnetic InductionActual
A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced emf is
Options
- Aonce per revolution
- Bwice per revolution
- Cfour times per revolution
- Dsix times per revolution
Correct answer
B. wice per revolution
Step-by-step solution
The knowledge based the correct choice is (b) .