A circular loop of 50 turns and an area of 20 `cm^(2)` is placed in a magnetic field of 0.2 T. Calcualte the torque required to deflect the loop throu
A circular loop of 50 turns and an area of 20 `cm^(2)` is placed in a magnetic field of 0.2 T. Calcualte the torque required to deflect the loop through `90^(@)` in the magnetic field when a current of 1A is passing through the loop.
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