Which one of the following gives the correct expression for the magnitude of the…

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

Problem

Which one of the following gives the correct expression for the magnitude of the force

F

acting on a straight conductor of length

L

carrying current

I

placed in a uniform magnetic field of strength

B

, making an angle

\theta

with the field? (a)

F = I L B

(b)

F = 2 I L B \sin\theta

(c)

F = I L B \sin\theta

(d)

F = I L B \cos\theta