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NEETPhysicsElectromagnetic Induction

What is the emf developed between the center and the ring when a 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s –1 about an axis normal to the rod passing through its one end, while the other end of the rod is in contact with a circular metallic ring, and a constant and uniform magnetic field of 0.5 T parallel to the axis exists everywhere?

Options

  1. A25 V
  2. B50 V
  3. C75 V
  4. D100 V

Correct answer

D. 100 V

Step-by-step solution

Correct Option is : (D) 100 V

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