A monoenergtic electron beam with electron speed of `5.20 xx 10^6 ms^-1` is subjected to a magnetic field of `1.30 xx 10^-4 t` normal to beam velocity. What is the radius of the circle traced by the beam, given e/m for electron equals `1.76 xx 10^11 kg^-1`?

An electron is projected with a velocity of 10^5 ms^-1 at right angles to the magnetic field of 0.019 G. Caclculate the radius of the circle described by the electron.

A monoenergetic (18 keV) electron beam initially in the horizontal direction is subjected to a horizontal magnetic field of 0.04 G normal to the initial direction. Estimate the up or down deflection of the beam over a distance of 30 cm (m_e = 9.11 xx 10^-31 kg) .

What is the amount of charge possessed by 1 kg of electrons? Given that mass of an electron is 9.1 xx 10^31 kg .

Electrons move at right angles to a magnetic field of 100 gauss and enter it with a velocity fo 2xx10^10 cms^-1 . Find the radius of their circular path. Given e//m = 1.7 xx 10^7 e.m.u g^-1

A beam of protons with a velocity of 4 xx 10 ^5 ms^(-1) enters a uniform magnetic field of 0.3 T. The velocity makes an angle of 60^@ with the magnetic field. Find the radius of the helicla path taken by the proton beam and the pitch of the helix. Given that mass of proton = 1.67 xx 10^-27kg

An electron after bein accelerated through a potential difference of 1 00 V enters a uniform magnetic field of 0.004 T perpendiular to its direction of motion. Calculate the radius of the path describe by the electron. Given m = 9.1 xx 10^-31 kg and e = 1.6 xx 10^-19 C