Which of the following represents class B amplifier
A. With a tube, cut off is -4V, the grid bias is -2V, and the ac signal is ±1V
B. With a silicon NPN transistor, cut off voltage is 0.5V, the bias is +0.6V and the ac signal is ± 50 mV
C. Output current flows for 120 degree of the input cycle
D. None of the above
Show Answer
Answer: D
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