Two electrons Beams having velocities in the ratio`1:2` are subjected to the same transverse magnetic field . The ratio of the deflections is

Two electron beams having velocities in the ratio 1: 2 are subjected to the same transverse magnetic field. The ration of the radii is

Two electron beams having velocities in the ratio 1: 2 are subjected to the same transverse magnetic field. The ration of the radii is

An a - particle and a protein are subjected to the same electric field , then the ratio of the force acting on them is

Two wires made of same material have lengths in the ratio 1:2 and their volumes in the same ratio. The ratio of their resistances is

Two wires of the same material having radii in the ratio 1:2 , carry currents in the ratio 4:1 . The ratio of drift velocities of electrons in them is:

A proton and an alpha particle projected with same velocity in uniform transverse magnetic field then