Physics

Problem

A circular loop of radius

10\,\text{cm}

carries a current of

10\,\text{A}

. Find the magnitude of the magnetic field on the axis of the loop at a point

20\,\text{cm}

from its centre. a)

11.2\,\mu\text{T}

0.56\,\mu\text{T}

5.6\,\mu\text{T}

1.3\,\mu\text{T}