1.

In the question number 73, for the coil given the magnetic moment is

Answer»

`12.95A m^(2)`
`25.79 A m^(2)`
`10.05 A m^(2)`
`24.79 A m^(2)`

SOLUTION :The MAGNETIC MOMENT is given by
`m=NIA = NIPI r^(2)=100xx3.2xx3.14xx(10xx10^(-2))^(2)`
`=100xx3.2xx3.14xx10^(-2)="10 A m"^(2)`


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