Calculate the force exerted on an electron (q. = 1.6 x 1019c) travelling at a speed of 7.0 x 10 ms at right angles to a uniform magnetic field of strength 8,6 x 103T
Calculate the force exerted on an electron (q. = 1.6 x 1019c) travelling at a speed of 7.0 x 10 ms at right angles to a uniform magnetic field of strength 8,6 x 103T
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Part i, ii and iii
Transcribed Image Text:Calculate the force exerted on an electron
(9 = 1.6 x 10 C) travelling at a speed of
7.0 x 10°ms at right angles to a uniform
magnetic field of strength 8.6 x 103T
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Transcribed Image Text:11) A particular electron gun accelerates an electron
across a potential difference of 15kV, a distance of
12 cm between a pair of charged plates. What is the
magnitude of the force acting on the electron?
(Use q. = 1.6 x 10-19C.)
For each of the following charged objects in a uniform
electric field, determine if work was done on the field
or by the field, or if no work is done.
a An electron moves towards a positive plate.
b A positively charged point remains stationary.
c A proton moves towards a positive plate.
d A lithium ion (Lit) moves parallel to the plates.
e An alpha particle moves away from a negative plate.
f A positron moves away from a positive plate.
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