Motion of a Charged Particle in a Magnetic Field

Start Practice →

1. 1 2019 Moving Charges and Magnetism #
   Ionized hydrogen atoms and $\alpha$-particles with same momenta enters perpendicular to a constant magnetic field, $B$. The ratio of their radii of their paths $r_H:r_\alpha$ will be:
   A $2:1$

   B $1:2$

   C $4:1$

   D $1:4$
   Check Answer