Physics

Problem

Which of the following vector relations correctly gives the torque acting on a current-carrying loop placed in a uniform magnetic field? a)

\mathbf{B}\times\boldsymbol{\mu}

(\boldsymbol{\mu}\times\mathbf{B})\sin\theta

\boldsymbol{\mu}\times\mathbf{B}

N I A\,\mathbf{B}