Mathematics

Problem

A force of

0.32\,\text{N}

acts on a straight wire of length

40\,\text{cm}

kept perpendicular to a uniform magnetic field of

8000

gauss. Find the current in the wire. a)

0.40\,\text{A}

1.0\,\text{A}

0.10\,\text{A}

10\,\text{A}