Differentiate between an electrical conductor, an insulator, and a semiconductor in terms of electrical conductivity.

Name the two types of charge carriers responsible for electrical conduction in a semiconductor.

What is the difference between an intrinsic semiconductor and an extrinsic semiconductor?

How is an n-type semiconductor created? What are the majority charge carriers in it?

How is a p-type semiconductor created? What are the majority charge carriers in it?

Describe what happens at a p-n junction when it is in a "forward bias" condition.

What is "reverse bias" for a p-n junction diode? Does a significant current flow in this state?

What is the main function of a rectifier diode in a circuit?

Differentiate between half-wave and full-wave rectification. Which is more efficient?

What electronic component is used for "smoothing" the output of a rectifier, and how is it connected in the circuit?

What do the letters LED stand for, and what is its primary function?

What is the primary energy conversion that takes place in a solar cell?

Name the three terminals of a transistor.

What are the two main functions of a transistor in electronic circuits?

In the standard symbol for an npn transistor, does the arrow on the emitter point inwards or outwards?