Two particles move through the same uniform magnetic field of magnitude

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

Problem

0.20\,\text{T}

, each with their velocity vectors perpendicular to the field. • Particle A carries a charge of

+5.0\,\mu\text{C}

and moves at

2.0\times10^{3}\,\text{m}\,\text{s}^{-1}

. • Particle B carries a charge of

-8.0\,\mu\text{C}

and moves at

7.5\times10^{4}\,\text{cm}\,\text{s}^{-1}

. What is the ratio of the magnitudes of the magnetic forces

F_B/F_A

acting on the two particles? (a)

1.7

(b)

6.0

(c)

0.60

(d)

0.38