A circular coil of 50 turns and radius carries a current of

PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current

Problem

A circular coil of 50 turns and radius

10\,\text{cm}

carries a current of

3\,\text{A}

. Take

\mu_0 = 4\pi\times10^{-7}\,\text{T m A}^{-1}

. Calculate the magnetic field at the centre of the coil. (a)

600\,\mu\text{T}

(b)

1885\,\mu\text{T}

(c)

942\,\mu\text{T}

(d)

300\,\mu\text{T}