XPQY is a vertical smooth long loop having a total resistance R where PX is parallel to QY and separation between them is 
. A constant magnetic field B perpendicular to the plane of the loop exists in the entire space. A rod CD of length L ( 
) and mass 
is made to slide down from rest under the gravity as shown in figure. The terminal speed acquired by the rod is 
.
( 
acceleration due to gravity)
Text Solution
Verified by ExpertsD
at equilibrium (Or for terminal velocity)
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