POWER SUPPLY CIRCUITS - Quiz

1) What is the maximum safe reverse voltage rating of a diode?

PIV voltage Knee voltage Break down voltage Forward break down voltage

2) Which is the first step followed in troubleshooting of electronic circuit?

Thermal test Chemical test Mechanical test Physical and sensory test

3) Which diode is used in low power communication circuits?

Signal diodes Rectifier diodes Switching diodes High power diodes

4) What is the disadvantage of the two diode full wave rectifier compared with a bridge rectifier?

DC output level is higher The ripple frequency is higher The need of bulky transformer Each diode carries half the load current

5) What is the process of adding impurities to a pure semi conductor material?

Doping Etching Forming Diffusion