Physics

Problem

A rectangular loop of wire measuring

8\,\text{cm}\times6\,\text{cm}

carries a current of

5\,\text{A}

. The loop is oriented with its plane perpendicular to a uniform magnetic field of

0.3\,\text{T}

. What is the magnitude of the magnetic force on each of the longer (8 cm) sides of the loop? a)

0.24\,\text{N}

0.12\,\text{N}

1.2\,\text{N}

0.09\,\text{N}