The magnetic field B due to a current carrying circular loop of radius 12cm at its centre is `0.5 xx 10^(-4)T`. Find the magnetic field due to this loop at a point on the axis at a distance of 5cm from the centre.

Options

A. `3.9 xx 10^(-5)T`
B. `6.2 xx 10^(-6)T`
C. `1.7 xx 10^(-5)T`
D. `3.9 xx 10^(-6)T`

Answer

C