Task id10531
A cathode ray tube with the control system turned off is placed in a uniform magnetic field perpendicular to the speed of electron movement. In this case, the trace of the electron beam on a screen located 14 cm from the place where the electrons are emitted shifts by 2 cm. What is the speed (in km/s) of electrons if the field induction is 25 μT and the specific charge of the electron is 1.8 * 1011 C/kg ?
Detailed solution. Format jpg
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