Asked by saffa
ina cathode ray tube a beam of electron can be moved up and down by changing the poential difference of_____.
a) X-plates
b) cathode
c) Y-plates
d) both X and cathodes
a) X-plates
b) cathode
c) Y-plates
d) both X and cathodes
Answers
Answered by
drwls
c) (assuming Y is the "up" direction)
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