State the methods of improving power factor?

1212

---

State the factors, for the choice of electrical system for an aero turbine.

1217

---

Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

1145

---

Define average demand?

1424

---

Define maximum demand?

1116

---

Define demand factor?

1173

---

Define load factor?

1168

---

Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

1264

---

How does zener phenomenon differ from avalanche breakdown?

1221

---

Compare jfet’s and mosfet’s.

1327

---

What is a differential amplifier?

1323

---

Explain cmrr?

1179

---

What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

1153

---

What is the voltage gain or transfer function of amplifier?

1178

---

What does the kvar means?

1308

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