DIODE RECTIFIER FILTER ZENER DIODE TRANSISTOR - 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 name of the process of converting AC into DC voltage?

Inverting Rectifying Amplifying Demodulating

4) 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

5) 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 centretapped transformer Each diode carries half the load current