When a beam of electrons passes through an electrostatic field of `300 V cm^(-1)` at
Channel: Doubtnut
Date: 2020-08-30

When a beam of electrons passes through an electrostatic field of `300 V cm^(-1)` at right angles to the direction of field, it describes a circular path of radius `8 cm`. On entering the magnetic field of `15` oersted at right angles to the electrostatic field, the beam remains undeflected. Find specific charge of the electron.