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Magnetic induction produced at the centr...

Magnetic induction produced at the centre of a circular loop carrying current is B. the magnetic moment of the loop of radius R is
`("where" mu_(0) = "permeability of free space")`

A

`(BR^(3))/(2pi mu_(0))`

B

`(2pi BR^(3))/(mu_(0))`

C

`(BR^(2))/(2pi mu_(0))`

D

`(2pi BR^(2))/(mu_(0))`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MOVING CHARGES AND MAGNETISM-Assignment (Section A) Objective Type Questions (One option is correct)
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  15. A straight wire carrying current I is turned into a circular loop. If ...

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