POWER SUPPLY CIRCUITS - Quiz

1) Which impurity is added to form P - type semiconductor material?

Arsenic Gallium Antimony Phosphorus

2) Which impurity is added to pure semiconductor to form N-type material?

Boron Indium Arsenic Gallium

3) What is the output frequency of the pulsating DC in a two diode fullwave rectifier?

Half of the input A/C frequency Double the input A/C frequency Same frequency of the A/C input Three times the input A/C frequency

4) What is the name of the process of converting AC into DC voltage?

Inverting Rectifying Amplifying Demodulating

5) What is the effect on the output voltage in a bridge rectifier circuits, with one diode open?

Very low voltage No output DC voltage Full output rated voltage Half of the rated output voltage