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Calculating the magnetic field and amount of current

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Part 1:

Solenoids produce magnetic fields that are relatively intense for the amount of current they carry. To make a direct comparison, consider a solenoid with 56 turns per centimeter, a radius of 1.15 cm, and a current of 0.110 A. Calculate the magnetic field at the center of the solenoid.

Part 2:

What current must a long, straight wire carry to have the same magnetic field as that found in the previous problem? Let the distance from the wire be the same as the radius of the solenoid, 1.15 cm.

Please explain and solve problem.

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Solution Summary

Provides steps necessary to determine the magnetic field and amount of current.

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