State the methods of improving power factor?

1216

---

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

1224

---

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

1150

---

Define average demand?

1424

---

Define maximum demand?

1122

---

Define demand factor?

1181

---

Define load factor?

1176

---

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

1273

---

How does zener phenomenon differ from avalanche breakdown?

1225

---

Compare jfet’s and mosfet’s.

1337

---

What is a differential amplifier?

1330

---

Explain cmrr?

1182

---

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

1155

---

What is the voltage gain or transfer function of amplifier?

1183

---

What does the kvar means?

1313

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