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MAGNETIC FIELD OF A TOROID...

MAGNETIC FIELD OF A TOROID

A

`B = (mu_(0) NI)/(2 pi r )`

B

`B = mu_(0) nl`

C

`B = mu_(0) (l)/(n)`

D

`B = (mu_(0)l)/(2r )`

Text Solution

Verified by Experts

The correct Answer is:
A
Using ampere .s law
`B = (2pi r ) = pi_(0) NI`
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