Explain why is the diffusion technique of formation of resistor most widely used?

1099

---

what are the applications of integrators?

1087

---

What are the advantages of load commutated chopper?

1400

---

What is meant by dc chopper?

1076

---

what is an excitation table?

1226

---

What is the main purpose of power electronics?

1061

---

What are the main components used for isolating the power circuits, power semiconductor from the low-power circuit?

1284

---

Power mosfet is a voltage controlled device. Why?

1143

---

Why is sio2 layer formed over the entire surface in a monolithic ic?

1331

---

Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?

1069

---

What is load commutation?

1074

---

What is meant by high frequency carrier gating?

1261

---

What are the losses that occur in a thyristor during working conditions?

1144

---

Draw the circuit diagram of 1φ auto sequential commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary waveforms?

1204

---

What is meant by pmdc?

1084

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