Semiconductors, diodes and transistors

Question 1 of 10

A light-emitting diode (LED) gives out light when

Question 2 of 10

In n-type material, the majority charge carriers are ___.

Question 3 of 10

The conductivity of a semiconductor

Question 4 of 10

A transistor can be used as

Question 5 of 10

A diode is used in rectification to

Question 6 of 10

Reverse biasing widens the depletion layer.

Question 7 of 10

A transistor has three terminals called

Question 8 of 10

Draw a circuit for full-wave bridge rectification and explain how it works. Show how a capacitor smooths the output.

Question 9 of 10

The depletion layer of a diode is

Question 10 of 10

Distinguish between n-type and p-type semiconductors, explaining how each is made and what its majority carriers are.