The pulsating d.c. applied to power amplifier causes ___________
A. Burning of transistor
B. Hum in the circuit
C. Excessive forward voltage
D. None of the above
Answer: Option B
Related Questions on Transistor Audio Power Amplifiers
The output stage of a multistage amplifier usually employs ___________
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
___________ coupling is generally employed in power amplifiers
A. Transformer
B. RC
C. direct
D. Impedance
Join The Discussion