Which of the following gives the magnitude of the magnetic force on a straight wire…

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

Problem

Which of the following gives the magnitude of the magnetic force on a straight wire of length

l

that carries a current

I

and makes an angle

\theta

with a uniform magnetic field of magnitude

B

? (a)

F = IlB

(b)

F = IlB\tan\theta

(c)

F = IlB\sin\theta

(d)

F = IlB\cos\theta