A thin conducting wire is bent into a semicircle of radius and carries a steady current of

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A thin conducting wire is bent into a semicircle of radius

10\,\text{cm}

and carries a steady current of

3\,\text{A}

. The semicircle lies in a plane perpendicular to a uniform magnetic field of

0.50\,\text{T}

. What is the magnitude of the net force acting on the semicircular wire? (a)

0\,\text{N}

(b)

0.15\,\text{N}

(c)

0.30\,\text{N}

(d)

0.47\,\text{N}