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

1055

---

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

1295

---

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

1081

---

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

1164

---

Different types of communications? Explain.

1107

---

What happens when an ammeter is connected across the circuit?

1135

---

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

1152

---

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

1151

---

Define what is photodiode?

1180

---

What is a cathode ray oscilloscope (cro)?

1099

---

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

1426

---

Explain why a voltmeter should be of very high resistance?

1078

---

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

1034

---

What is tunnel diode?

1089

---

What is cdma, tdma, fdma?

1184

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