A conductor of length l and mass m carrying i is placed on a smooth incline plane making an angle θ with horizontal. A magnetic field B is directed vertically upwards. Then for equilibrium of the conductor cotθ is given by
A
BiLmg
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B
mgBiL
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C
mgBiL
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D
mg2BiL
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Solution
The correct option is BmgBiL The magnetic force exerted on the current carrying wire F is in horizontal direction is given by,