Mathematics

Problem

A straight conductor

5\,\text{cm}

long carries a current of

10\,\text{A}

in a uniform magnetic field of

0.4\,\text{T}

. If the measured force on the conductor is

0.2\,\text{N}

, the angle between the conductor and the magnetic field is a)

30^{\circ}

0^{\circ}

90^{\circ}

60^{\circ}