Question:

A wire in the form of a semi-circle rotates about the diameter of the circle with angular frequency o in a uniform magnetic field perpendicular to the diameter of the circle. Then mean electrical power generated is

  • proportional to w
  • proportional to w2
  • proportional to 1/ w
  • proportional to w
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The Correct Option is B

Solution and Explanation

The correct option is (B): proportional to w2
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