(Answered) A solenoid is designed to produce a magnetic field of

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A solenoid is designed to produce a magnetic field of 2.50×10?2 at its center. It has a radius of 1.70 and a length of 44.0 , and the wire can carry a maximum current of 12.5 .

What minimum number of turns per unit length must the solenoid have?

What total length of wire is required?

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