An electron with energy 1 keV is entering a uni form magnetic field of 0.04T at an angle 60 with the field. Predict the path of the electron and find the characteristics of the path.

An electron moving with a velocity of 4.5 xx 10^(7)m/s enters a magnetic field of 2.5 T at an angle of 30^(o) calculate the force on the electron.

The velocities of two alpha particles entering a uniform magnetic field are in the ratio 2:3. What is the ratio of the radii of their circular path.

A straight wire of length 0.5 metre and carrying a current of 1.2 ampere is placed in uniform magnetic field of induction 2 tesla. The magnetic field is perpendicular to the length of the wire. Find the force on the wire is

The path of a charged particle entering parallel to uniform magnetic field will be