Question

In: Physics

You have a wire of length L = 1.7 m for making a square coil of...

You have a wire of length L = 1.7 m for making a square coil of a dc motor. The current in the coil is I = 0.8 A, and the magnetic field of the motor has a magnitude of B = 0.31 T. Find the maximum torque exerted on the coil when the wire is used to make (a) a single-turn square coil and (b) a two-turn square coil.

Solutions

Expert Solution

Torque on a current carrying loop

Maximum torque is applied when are perpendicular to each other

a) When the wire is used to make one square loop,

side of square

b) When the wire is used to make two square loops,

side of square

genius_generous answered 3 months ago

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