Differentiate between an atom and atomic structure.

Describe the structure of a matter

Name any TWO types of semi-conductor materials used.

Distinguish between P-Type materials and N-Type materials giving examples in each one of them.

Using an example illustrate why a PN Junction is used.

(a) Explain how valence electrons determine the electrical properties of a material

Describe the valence band, conduction band and forbidden energy gap with the help of energy level diagram.

List three important properties of semiconductors.

(a) Explain the formation of a depletion Layer in a pn junction

Discuss the behavior of a pn junction under forward biasing.

Define the following terms: Breakdown voltage

Define the following terms: Knee voltage

(a)  

(a) Explain the operation of transistor as an amplifier.