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The magnetic field B due to a current ca...

The magnetic field B due to a current carrying circular loop of radius 12cm at its centre is `0.5xx10^-4T`. Find the magnetic field due to this loop at a point on the axis at a distance of 5.0cm from the centre.

A

`3.6 xx 10^-5T`

B

`0.4 xx 10^-4T`

C

`6.3 xx 10^-5T`

D

`9.3 xx 10^-5T`

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