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The magnetic moment of a current (i) car...

The magnetic moment of a current (i) carrying circular coil of radius (r) and number of turns (n) varies as

A

`1//r^(2)`

B

`1//r`

C

r

D

`r^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
The magnetic moment of a current carrying conductor is `i*n pi r^(2) - niA`.
i.e., Magnetic moment `prop r^(2)`.
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