An electron in a television tube moves with a speed of 9.95x107 m/s, in a direction perpendicular to the Earth's field,
Posted: Thu Jul 07, 2022 2:10 pm
An electron in a television tube moves with a speed of 9.95x107m/s, in a direction perpendicular to the Earth's field, which has astrength of 5.00x10-5 T. You wish to make the electron travel in astraight line by having it pass between two charged parallel plateswhich are separated by a 5.49 cm distance. What must the potentialdifference across the plates be in order for the force from theelectric field generated by the plates to cancel out the magneticforce?