Power mosfet is a voltage controlled device. Why?

1179

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

1360

---

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

1091

---

What is load commutation?

1111

---

What is meant by high frequency carrier gating?

1295

---

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

1167

---

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?

1242

---

What is meant by pmdc?

1114

---

What is the turn-off time for converter grade scrs and inverter grade scrs?

1172

---

Explain the operation of 1φ sinusoidal ac voltage controller?

1103

---

Define latching current?

1441

---

Explain what is an operational amplifier?

1206

---

What are the two types of cyclo-converters?

1189

---

what is a voltage transfer curve of an op-amp?

1130

---

What is the advantage of on-off control?

1215

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