MCQSeries Questions & Answers
4. The colour of the spot on the screen of a CRO is a characteristic of :
(a) Electron gun in a CRT
(b) The type of the waveform being observed
(c) The coating material on the screen
(d) The velocity of the electrons striking the screen
Answer : (c)
Explanation : No answer description available for this question. Let us discuss.
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