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A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries

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asked Jan 4, 2018 in Physics by sforrest072 (157,439 points) ● 63 ● 450 ● 1293

A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil?

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answered Jan 4, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 23
selected Mar 4, 2018 by Vikash Kumar
 
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Number of turns on the circular coil, n = 100
Radius of each turn, r = 8.0 cm = 0.08 m
Current flowing in the coil, I = 0.4 A
Magnitude of the magnetic field at the centre of the coil is given by the relation,

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