Assignment two 1. Explain in detail the following a. Semiconductor materials in terms of their electrical properties b. Semiconductor material type c. Energy gap d. Valence band e. Valence electron f. Free electron g. Electrons and holes h. P type and n type semiconductor materials 2. Explain diode in detail. 3. What are the applications of diode and describe its working principle? 4. What is the difference between forward bias and reverse bias? 5. What is the difference between half wave rectifier and full wave rectifier? 6. Explain in detail the two basic types of transistors.