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electronics and communication engineering microwave communication
1. In a vacuum tube, the transit time of electron between cathode and anode is important at
(A): both (a) and (b)
(B): frequencies which are neither very low nor very high
(C): high frequencies
(D): low frequencies
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By: guest on 02 Jun 2017 01.04 am
At high frequencies transit time is large as compared to the period of microwave signal.
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