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NEST2013PhysicsElectromagnetic Induction

A loop of radius r lies in the plane of the page as shown in the figure. The loop is shrunk radially at a constant rate = | d r d t | in a uniform magnetic field B that points into the plane of the paper. Then,

Options

  1. Athe induced emf is proportional to the square of the radius of the loop.
  2. Bthe induced emf depends on .
  3. Cthe induced current will be clockwise in direction.
  4. Dthe induced emf increases with time.

Correct answer

C. the induced current will be clockwise in direction.

Step-by-step solution

No solution available.

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