In the diagram P1 and P2 are two parallel horizontal plates that are 8.0 mm apart in a vacuum and have a potential difference of 103 volts maintained between them, the upper plate being positive. Also, there is a horizontal magnetic field of 0.016 as shown.
A horizontal beam of electrons is directed between the plates so that it is moving at right angles to the magnetic field as shown.
The magnitude of the electric field between the plates, to two significant figures, is:
Homework Answers
Distance between plates = 8 mm
Voltage difference between plates = 103 V
Electric field = 103/(8*10-3 ) = 12.875 * 103 V/m
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