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MAGNETISM (4.2 MAGNETIC FIELD PRODUCED BY CURRENT CARRYING CONDUCTOR (When…
MAGNETISM
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4.6 TORQUE ON A COIL
τ = INABsinθ
τ : torque on the coil
B: magnetic flux density
I : current flows in the coil
N : number of turns (coils)
θ : angle between A and B
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