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Two circular concentric loops of radii r...

Two circular concentric loops of radii `r_(1)=20cm, r_(2)=30 cm` are placed in the `X-Y` plane as shown in the figure. A current I= 7 A is flowing through them. The magnetic moment of this loop system is

A

`+0.4hatk(Am^(2))`

B

`-1.5hatk(Am^(2))`

C

`+1.1hatk(Am^(2))`

D

`+1.3hatj(Am^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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