Define what is the effect of temperature on the reverse current of a p-n junction?

1172

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What is meant by phase reversal?

1209

---

What is the significance of the arrow-head in the transistor symbol?

1538

---

What is photodiode?

1074

---

What is meant by radix (or base) of a number system?

1193

---

Explain the operation of 3φ bridge inverter for 1800 degree mode of operation with aid of relevant phase and line voltage waveforms?

1024

---

Explain why does an op-amp have high cmrr?

1122

---

What types of inverters require feedback diodes?

1534

---

Give some examples of power electronics applications in the day-to-day life?

1131

---

Draw the circuit diagram of 1φ capacitor commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary wave forms?

1233

---

What are the applications of an inverter?

1130

---

For the cmrr to be infinite what will be the condition?

1251

---

What is the duty cycle in on-off control method?

1156

---

What is meant by pulse triggered devices?

1091

---

What losses occur in a thyristor during working conditions?

1331

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