What is the basis for classifying a material as a conductor, semiconductor, or a dielectric?

1204

---

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

1135

---

Which device produces voltage variable capacitor? How the voltage variable capacitance varies with the change in voltage across it?

1167

---

Why is silicon preferred over germanium in the manufacture of semiconductor devices?

1132

---

How bjt can be used as an amplifier.

1176

---

Which of the two semiconductor materials si or ge has larger conductivity at room temperature? Why?

1367

---

What are the advantages of negative feedback over positive feedback.

1125

---

What is a low-pass filter?

1286

---

What is engineering?

1104

---

What is zener voltage?

1053

---

What is a zener diode?

1140

---

Define what is zener voltage?

1135

---

Discuss the need for biasing the transistor.

1108

---

Define what is meant by led?

1135

---

Define what is intrinsic semiconductor ?

1075

---