Transistor AC Equivalent Circuits Multiple Choice Questions (MCQ) PDF - 80

MCQ 396: Internal emitter resistance of BJT amplifier is equals to

1. 25 mV
2. 25 mVxI_E
3. 25 mV+I_E
4. 25 mV/I_E

MCQ 397: PI V rating for a diode which have to be used in a rectifier with peak output voltage of 60 V is

1. 30 V
2. 40 V
3. 60 V
4. 70 V

MCQ 398: For a halfwave rectifier, there is current through the load for approximately

1. 20% of input cycle
2. 30% of input cycle
3. 50% of input cycle
4. 70% of input cycle

MCQ 399: When 60Hz sinusoidal voltage is applied to input of halfwave rectifier, output frequency will be

1. 30 Hz
2. 20 Hz
3. 60 Hz
4. 120 Hz

MCQ 400: By ohm's law, when forward current increases resistance will

1. decrease
2. increase
3. become zero
4. have no change