[amp_mcq option1=”Cut off point” option2=”Quiescent point” option3=”Saturation point” option4=”None of the above” correct=”option2″]
Detailed SolutionThe operating point is also called the ___________
Transistors
32. Transistor biasing is generally provided by a ___________
[amp_mcq option1=”Biasing circuit” option2=”Bias battery” option3=”Diode” option4=”None of the above” correct=”option1″]
Detailed SolutionTransistor biasing is generally provided by a ___________
33. For proper amplification by a transistor circuit, the operating point should be located at the ___________ of the d.c. load line
[amp_mcq option1=”The end point” option2=”Middle” option3=”The maximum current point” option4=”None of the above” correct=”option2″]
34. Frequencies above ___________ kHz are called radio frequencies
[amp_mcq option1=”2″ option2=”10″ option3=”50″ option4=”200″ correct=”option1″]
Detailed SolutionFrequencies above ___________ kHz are called radio frequencies
35. The phase difference between the input and output voltages of a transistor connected in common collector arrangement is ___________
[amp_mcq option1=”0°” option2=”90°” option3=”180°” option4=”270°” correct=”option3″]
36. At series or parallel resonance, the circuit power factor is ___________
[amp_mcq option1=”0%” option2=”5%” option3=”10%” option4=”8%” correct=”option1″]
Detailed SolutionAt series or parallel resonance, the circuit power factor is ___________
37. The Q of a tuned amplifier is 50. If the resonant frequency for the amplifier is 1000kHZ, then bandwidth is ___________
[amp_mcq option1=”10kHz” option2=”40 kHz” option3=”30 kHz” option4=”20 kHz” correct=”option3″]
38. The Q of a tuned amplifier is generally ___________
[amp_mcq option1=”Less than 5″ option2=”Less than 10″ option3=”More than 10″ option4=”None of the above” correct=”option3″]
Detailed SolutionThe Q of a tuned amplifier is generally ___________
39. In a npn transistor, ___________ are the minority carriers
[amp_mcq option1=”free electrons” option2=”holes” option3=”donor ions” option4=”acceptor ions” correct=”option1″]
Detailed SolutionIn a npn transistor, ___________ are the minority carriers
40. The purpose of resistance in the emitter circuit of a transistor amplifier is to ___________
[amp_mcq option1=”Limit the maximum emitter current” option2=”Provide base-emitter bias” option3=”Limit the change in emitter current” option4=”None of the above” correct=”option1″]