AB and CD are smooth parallel rails, separated by a distance L and inclined to the horizontal at an angle θ. A uniform magnetic field of magnitude B, directed vertically upwards, exists in the region. EF is a conductor of mass m, carrying a current I. For EF to be in equilibrium:
Text Solution
Verified by ExpertsThe correct answer is:
A
[ 
indicates current I is flowing into the paper]
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