Magnetic Field Produced by Loops and Solenoids Video Lessons

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Problem: Find the magnitude of the magnetic field at the center of 71 turn circular coil with radius 11.5cm, when a current of 2.95 A flows in it.

FREE Expert Solution

The magnetic field produced by a current loop:

B=Nμ0i2r where N is the number of turns, μ0 is the permeability of free space, i is current, and r is the radius of the loop.  

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Problem Details

Find the magnitude of the magnetic field at the center of 71 turn circular coil with radius 11.5cm, when a current of 2.95 A flows in it.

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