Question:

A simple pendulum with bob of mass m and conducting wire of length L swings under gravity through an angle 20. The earth’s magnetic field component in the direction perpendicular to swing is B. Maximum potential difference induced across the pendulum is

Screenshot 2024-12-20 182104

Options :

  • (a) 2BL sin(θ/2)(gL)^1/2
  • (b) BL sin(θ/2)(gL)
  • (c) BL sin(θ/2)(gL)^3/2
  • (d) BL sin(θ/2)(gL)^2

Answer :

(a) 2BL sin(θ/2)(gL)^1/2

Answer Steps :

Step 1:

Step 2:

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