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The magnetic field due to a current car...

The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance of 4 cm from the centre is `54 mu T.` what will be its value at the centre of the loop?

A

`250muT`

B

`150muT`

C

`125muT`

D

`75muT`

Text Solution

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The correct Answer is:
A
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