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23 November, 07:25

A 52.5-turn circular coil of radius 5.35 cm can be oriented in any direction in a uniform magnetic field having a magnitude of 0.455 T. If the coil carries a current of 25.3 mA, find the magnitude of the maximum possible torque exerted on the coil.

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  1. 23 November, 10:45
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    5.43 x 10^-3 Nm

    Explanation:

    N = 52.5, radius, r = 5.35 cm = 0.0535 m, B = 0.455 T, I = 25.3 mA = 0.0253 A

    Torque = N I A B Sin theta

    Here, theta = 90 degree

    Torque = 52.5 x 0.0253 x 3.14 x 0.0535 x 0.0535 x 0.455

    Torque = 5.43 x 10^-3 Nm
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