POWER SUPPLY CIRCUITS - Quiz

1) Which component filter the ripples in the rectifier circuit?

DIAC Diode TRIAC Capacitor

2) Which parameter is maintained constant in zener diode?

Power Current Voltage Resistance

3) What is the meaning of maximum safe reverse voltage across a diode?

PIV voltage Knee voltage Break down voltage Reverse break down voltage

4) When does the zener diode begins to conduct in the reverse biased condition?

When bias voltage reached 0.7V After the barrier voltage cancelled Voltage across zener reached 0.3V Voltage across it reached the zener voltage

5) What is the output pulse frequency of the full wave rectifier with input frequency of 50 Hz?

40 Hz 60 Hz 100 Hz 200 Hz