M

Mr. Dubey • 52.30K Points
Coach 

Q. The production of power at higher frequencies is much simpler than production of power at low frequencies.

(A) true
(B) false
(C) ---
(D) ---
Correct : Option (B)

Explanation: 
 as frequency increases to the millimeter and sub millimeter ranges, it becomes increasingly more difficult to produce even moderate power with solid state devices, so microwave tubes become more useful at these higher frequencies.

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