A class A power amplifier uses ___________ Options: A . &nbspTwo transistors B . &nbspThree transistors C . &nbspOne transistor D . &nbspNone of the above

A class A power amplifier uses __________

Question

A class A power amplifier uses ___________

Options:

A . Two transistors

B . Three transistors

C . One transistor

D . None of the above

Answer: Option C

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Question 1. The maximum efficiency of transformer coupled class A power amplifier is ___________....

Question 2. The most important consideration in power amplifier is ___________....

Question 3. What turn ratio (Np/Ns) of transformer is required to match 4 Ω speaker to a transistor having an output impedance of 8....to a transistor having an output impedance of 8000 O?

Question 4. The size of a power transistor is made considerably large to ___________....

Question 5. 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 6. The output stage of a multistage amplifier is also called ___________....

Question 7. Power amplifiers handle ___________ signals compare to voltage amplifiers....

Question 8. For the same a.c. power output as above, what should be the minimum power rating of transistor for class B operation?....

Question 9. The pulsating d.c. applied to power amplifier causes ___________....

Question 10. 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?

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