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An arrangement of smooth pair of long conducting rails which are non resisting are joined to a charged capacitor. The rails are connected by a rod of mass MM, length LL, and Resistance RR. A vertical Magnetic Field BB is established in the region. The rod starts moving due to the influence of the Magnetic Field.

What should be the mass of the rod MM (in mg) so that its Kinetic Energy in steady state is maximum?

Details and Assumptions:
L=1m\bullet L=1m
B=2T\bullet B=2T
C=1μF\bullet C=1\mu F
R=1\bullet R=1ohm
\bullet The Rod is initially at rest
\bullet The Magnetic Field is constant and uniform in nature


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