Exercise 5-5: A square coil of 100 turns and 0.5 m long sides is in a region with a uniform magnetic flux density of 0.2 T. If the maximum magnetic torque exerted on the coil is 4×10 −2 ( N·m), what is the current flowing in the coil?

Exercise 5-5: A square coil of 100 turns and 0.5 m long

sides is in a region with a uniform magnetic flux density

of 0.2 T. If the maximum magnetic torque exerted on the

coil is 4×10

−2 (

N·m), what is the current flowing in the

coil?

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