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Transistor AC Equivalent Circuits PDF Download eBook 80
MCQ: Internal emitter resistance of BJT amplifier is equals to
- 25 mV
- 25 mVxIE
- 25 mV+IE
- 25 mV/IE
D
MCQ: PI V rating for a diode which have to be used in a rectifier with peak output voltage of 60 V is
- 30 V
- 40 V
- 60 V
- 70 V
C
MCQ: For a halfwave rectifier, there is current through the load for approximately
- 20% of input cycle
- 30% of input cycle
- 50% of input cycle
- 70% of input cycle
C
MCQ: When 60Hz sinusoidal voltage is applied to input of halfwave rectifier, output frequency will be
- 30 Hz
- 20 Hz
- 60 Hz
- 120 Hz
C
MCQ: By ohm's law, when forward current increases resistance will
- decrease
- increase
- become zero
- have no change
A