Explain why nand-nand realization is preferred over and-or realization?

1350

---

What is the necessity to use the special machines?

1096

---

What is the difference between power diode and signal diode?

1150

---

What are the advantages of freewheeling diode in rectifier circuit?

1096

---

What is an alphanumeric code?

1080

---

What is step down chopper?

1131

---

which opamp don’t have feedback loop?

1096

---

What is an excess-3 code?

1185

---

What are the disadvantages of ac voltage controllers?

1168

---

For a 1φ voltage controller, feeding a resistive load, draw the waveforms of source voltage, gating signals, output voltage and voltage across the scr. Describe the working with reference to waveforms drawn?

1259

---

What are the characteristics of scr?

1128

---

What is meant by mcmurray inverter?

1417

---

what is firing angle of phase controlled rectifier?

1151

---

What is holding current in scr?

1151

---

What is meant by negative converter group in a cyclo-converter?

1026

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