Which one of the following expressions gives the magnitude of the magnetic force on a…

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Which one of the following expressions gives the magnitude of the magnetic force on a straight conductor of length

L

carrying current

I

placed in a uniform magnetic field of flux density

B

making an angle

\theta

with the direction of current? (a)

F = B I L

(b)

F = B I L \cos \theta

(c)

F = B I L \sin \theta

(d)

F = B I L \sin^{2} \theta