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A circular coil of 300 turns and average...

A circular coil of 300 turns and average area `5xx10^(-3)m^(2)` carries a current of 15 A. Calculater the magnitude of magnetic moment associated with coil.

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Given :
no. of turns, N = 300, area, `A=5xx10^(-3)m^(-2)`,
Current, `I=15A`
The magnetic moment of the coil,
M=NIA
`=300xx15xx5xx10^(-3)`
`M=22*5"Am"^2`.
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