Mathematics

Problem

A straight wire of length

0.25\,\text{m}

carries a current of

8\,\text{A}

at right angles to a uniform magnetic field of

0.40\,\text{T}

. What is the magnitude of the force on the wire? a)

1.60\,\text{N}

3.20\,\text{N}

0.80\,\text{N}

0.40\,\text{N}