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AP EAMCET2002PhysicsElectromagnetic Induction

A conducting rod of length L rotates with angular speed in a uniform magnetic field of induction B which is perpendicular to its motion. The induced emf developed between the two ends of the rod is

Options

  1. AB L^2 4
  2. BB L^2 2
  3. CB L^2
  4. D2 B L^2

Correct answer

B. B L^2 2

Step-by-step solution

Linear velocity of the rod v=r = L 2 Induced emf e=B v L=B L 2 L= 1 2 B L^2

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