An electron is fired from a cathode ray tube and follows the path shown below. i
ID: 2296891 • Letter: A
Question
An electron is fired from a cathode ray tube and follows the path shown below. it first travels between two metal plates, where it feels the effects of both an eletric and magnetic field. Next, it enters a region where there is solely a magnetic field and strikes the grey target. Fully label and diagram below, indicating the direction of each field and labeling charges on the metal plates to produce the required eletric field. in the redgon where there is both eletric and magnetic field, indicate the direction of the electric and magnetic forces.
Explanation / Answer
The direction is South. If you use the right-hand rule, your thumb would be the direction of the current (or where the electron goes) and your curled fingers would be the direction of the magnetic field; so the field would head out of the page and then back down toward the south pole.
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