Q124 / 180 · NEET 2013 (All India) · Physics
A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced emf is
- Aonce per revolution
- Correct answerBwice per revolution
- Cfour times per revolution
- Dsix times per revolution
Solution
The knowledge based the correct choice is $(b)$.
Hence, the correct answer is option: 'B'.