A toroidal solenoid has 3000 turns and a...

A toroidal solenoid has `3000` turns and a mean radius of `10cm`. It has a soft iron core of relative magnetic permeability `2000`. Find the magnitude of the magnetic field in the core when a current of `1.0amp.` is passed through the solenoid.

`20T`

`12T`

`6T`

`3T`

Text Solution

Verified by Experts

The correct Answer is:

`B=(muNi)/(2pir)`

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NARAYNA-MOVING CHARGES AND MAGNETISM-Level-II(C.W)

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