A simple pendulum with bob of mass m and conducting wire of length L swings(is hanging ) under gravity thro' an angle 2theetha.

The earth's magnetic feild component in the direction perpendicular to swing is B.

the max potential diff induced across pendulum is?

Max potential difference

  • 94
  • -24
But moment of inertia about end is 1/2ml^2 not ml^2
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