What should be the magnetic field strength

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Here is the problem which I am struggling on, please help me!

Problem: An electric motor contains a 250-turn circular coil 7.0cm in diameter. If it is to develop a maximum torque of 2.0 N•m at a current of 3.7 A, what should be the magnetic field strength?

I need expert help to solve the above problem and thanks in advance.

Reference no: EM13688356

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