You are now studying a length of wire that has been coiled up to create a circul

Question

You are now studying a length of wire that has been coiled up to create a circular coil of 6 turns (individual loops) all arranged compactly. The loop has radius of 0.0390 m and a current of 56.7 A. is passing through the wire. What is the strength of the magnetic field at the center of the loop?

Lastly, you are handed a long solenoid. The special characteristic of an infinitely-long solenoid is that the magnetic field inside the solenoid is uniform. There are 5.96

Explanation / Answer

magnetic field due to solonoid is B = uoni/2r

where n = 6, r= 0.0390 m, i = 56.7A

so B = 4pi *10^-7 * 56.7* 6/(2* 0.039)

B = 0.00547 T

b. B = uoni

B = 4pi*10^-7 *5960 * 2.80/0.17

B = 0.123 T

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