The most important consideration in power amplifier is ___________ Options: A . &nbspBiasing the circuit B . &nbspCollector efficiency C . &nbspTo keep the transformer cool D . &nbspNone of the above

The most important consideration in power amplifier is __________

Question

The most important consideration in power amplifier is ___________

Options:

A . Biasing the circuit

B . Collector efficiency

C . To keep the transformer cool

D . None of the above

Answer: Option B

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Question 1. The size of a power transistor is made considerably large to ___________....

Question 2. If the power rating of a transistor is 1W and collector current is 100mA, then maximum allowable collector voltage is __....current is 100mA, then maximum allowable collector voltage is ___________

Question 3. The output stage of a multistage amplifier is also called ___________....

Question 4. Power amplifiers handle ___________ signals compare to voltage amplifiers....

Question 5. The pulsating d.c. applied to power amplifier causes ___________....

Question 6. For the same a.c. power output as above, what should be the minimum power rating of transistor for class B operation?....

Question 7. What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. powe....of 5 watts and a.c. power output of 2 watts?

Question 8. A transformer coupled class A power amplifier has a load of 100 Ω on the secondary. If the turn ratio is 10:1, what is ....what is the value of load appearing on the primary?

Question 9. When a transistor is cut off___________....

Question 10. Low efficiency of a power amplifier results in ___________....

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