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MHT CET202124 Sep 2021Evening ShiftPhysicsElectromagnetic InductionActual

A rectangular loop PQMN with movable arm PQ of length 12 ~cm and resistance 2 is placed in a uniform magnetic field of 0.1 ~T acting perpendicular to the plane of the loop as shown in figure. The resistance of the arms MN, NP and MQ are negligible. The current induced in the loop when arm PQ is moved with velocity 20 ~ms ⁻¹ is

Options

  1. A0.12 ~A
  2. B0.06 ~A
  3. C0.24 ~A
  4. D0.18 ~A

Correct answer

A. 0.12 ~A

Step-by-step solution

B =0.1 ~T , =0.12 ~m , v =20 ~m / s , R =2 emf induced e = B v =0.1 0.12 20=0.24 ~V I = V R = 0.24 2 =0.12 ~A

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