Define what is the main factor for controlling the thermal generation and recombination?

1321

---

What are ‘emitter injection efficiently’ and ‘base transport factor’ and how do they influence the transistor operation?

1120

---

In which bands do the movement of electrons and holes take place?

1339

---

What is intrinsic semiconductor ?

1108

---

What is meant by led?

1060

---

Define what is meant by voltage regulation of a dc power supply?

1084

---

Why silicon type transistors are more often used than germanium type?

1258

---

Why common-collector circuit is known as an emitter follower?

1132

---

Define what happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

1128

---

Explain what is reverse saturation current?

1171

---

Why transistor is called current controlled device?

1301

---

What is the ratio of majority and minority carriers in intrinsic and extrinsic semiconductors?

1221

---

Define cut-in voltage of a p-n junction diode?

1169

---

The output of a 60hz full-wave bridge rectifier has a 60 hz ripple. It this circuit working properly?

1342

---

Name the breakdown mechanism in a lightly doped p-n junction under reverse biased condition.

1305

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