Common Collector Amplifier Quiz Questions and Answers PDF Download eBook - 22

MCQ: In all the amplifiers the voltage gain is a

1. V_out /V_in
2. V_in /V_out
3. V_out /V
4. V/V_in

MCQ: The D - MOSFET can be operated in the

1. depletion mode
2. enhancement mode
3. drain mode
4. Both a and b

MCQ: A varactor diode exhibits

1. a variable capacitance that depends on forward current
2. a variable capacitance that depends on reverse voltage
3. a constant capacitance over a range of reverse voltages
4. a variable resistance that depends on reverse voltage

MCQ: The pull - push amplifiers are mainly used to reproduce

1. waveform
2. current
3. voltage
4. Both a and b

MCQ: A 60 V peak full - wave rectified voltage is applied to a capacitor - input filter. If f = 120 Hz. R = 10 k Ω and C = 10 µF, the ripple voltage is

1. 5 V
2. 0.6 V
3. 0.6 mV
4. 2.88 V