A conductor of arbitrary shape carries current from to

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A conductor

AB

of arbitrary shape carries current

I

from

B

A

. The length vector

\mathbf{AB}

is oriented from

A

B

. The force

\mathbf{F}

experienced by this conductor in a uniform magnetic field

\mathbf{B}

is (a)

\mathbf{F}=-I(\mathbf{AB}\times\mathbf{B})

(b)

\mathbf{F}=I(\mathbf{B}\times\mathbf{AB})

(c)

\mathbf{F}=I(\mathbf{BA}\times\mathbf{B})

(d) All of these