What do you mean by drift velocity and mobility of a free electron?

1050

---

What is the main factor for controlling the thermal generation and recombination?

1295

---

What do you understand by reverse saturation current of a diode?

1074

---

Define what are the main purposes for which a cc amplifier may be used.

1162

---

Different types of communications? Explain.

1102

---

What happens when an ammeter is connected across the circuit?

1128

---

The electric field in the space charge region decreases with forward bias and increases with reverse bias. Why?

1148

---

What is the purpose of bleeder resistance in a rectifier circuit using l-c filter?

1149

---

Define what is photodiode?

1180

---

What is a cathode ray oscilloscope (cro)?

1097

---

Define the limitations in the operation conditions of a p-n junction.

1418

---

Explain why a voltmeter should be of very high resistance?

1075

---

What is a feedback? And explain different types of feedback.

1027

---

What is tunnel diode?

1085

---

What is cdma, tdma, fdma?

1182

---