Explain what is a latch?

1093

---

What is a half-adder?

1088

---

Describe the various methods of thyristor turn on?

1197

---

what is a latch?

1086

---

Describe the operation of series inverter with aid of diagrams. Describe an expression for output frequency, current and voltages. What are the disadvantages of basic series inverter?

1345

---

What is meant a parallel inverter?

1183

---

Why thyristors are not preferred for inverters?

1722

---

What are the two methods of control in ac voltage controllers?

1053

---

Explain why open-loop op-amp configurations are not used in linear applications?

1337

---

What are the advantages of gray code?

1214

---

Give an expression for average voltage of single phase semiconverters?

1207

---

What are the advantages of gto over scr?

2026

---

What are the control strategies of chopper?

1207

---

What is forced commutation?

1121

---

Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?

1201

---