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A circular coil of diameter 9 cm has 30 ...

A circular coil of diameter 9 cm has 30 turns of wire which carry current of 1 ampere. The magnetic moment of the coil is

A

`19.08 xx 10^(-2)Am^(2)`

B

`3.8 xx 10^(-2)Am^(2)`

C

`7.7 xx 10^(-3)Am^(2)`

D

`3.8 xx 10^(-3)Am^(2)`

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-CRITICAL THINKING
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