Q.1
Which of the following describe(s) a power amplifier?
  • It can handle large power.
  • It can handle large current.
  • It does not provide much voltage gain.
  • All of the above
Q.2
You have an application for a power amplifier to operate on FM radio frequencies. The most likely choice would be a ________ amplifier.
  • class A
  • class B
  • class C
  • class AB
Q.3
________ amplifiers primarily provide sufficient power to an output load to drive a speaker from a few watts to tens of watts.
  • Small-signal
  • Power
  • None of the above
  • None of these
Q.4
Which of the push-pull amplifiers is presently the most popular form of the class B power amplifier?
  • Quasi-complementary
  • Transformer-coupled
  • Complementary-symmetry
  • None of the above
Q.5
Which of the power amplifiers is not intended primarily for large-signal or power amplification?
  • Class A
  • Class B or AB
  • Class C
  • Class D
Q.6
Which of the following is (are) power amplifiers?
  • Class A
  • Class B or AB
  • Class C or D
  • All of the above
Q.7
In class B operation, at what fraction of VCC should the level of VL(p) be to achieve the maximum power dissipated by the output transistor?
  • 0.5
  • 0.636
  • 0.707
  • 1
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