A straight conductor of length carries a current and is placed at right angles to a…

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

Problem

A straight conductor of length

L

carries a current

I

and is placed at right angles to a uniform magnetic field of flux density

B

. Which expression gives the magnitude of the force on the conductor? (a)

F=I L B \tan\theta

(b)

F=I L B

(c)

F=I L B \cos\theta

(d)

\dfrac{I L B}{2}