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A circular coil of 300 turns and diamete...

A circular coil of `300` turns and diameter `14cm` carries a current of `15A`. What is the magnitude of magnetic moment linked with the loop?

Text Solution

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Here, `N=300`,
`r=14/2cm=7xx10^-2m, I=15A`
`M=NIA=NI(pir^2)`
`=300xx15xx3*14(7xx10^-2)^2=69*2Am^2`
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