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Question(s) / Instruction(s):

A small current loop of area A=0.001m2 and moment of inertia I=7e-07kgm2 carries a current i=0.0042A with its magnetic moment perpendicular to the Earth's magnetic field. The magnitude of the Earth's fild is B=4.2e-05T.

What is the magnitude of the net torque T on the loop?

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