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Explain the operation of sequence control of ac voltage controller?
Why opamp called operational amplifier?
Explain the working of voltage commutated chopper with aid of circuit diagram and necessary waveforms. Derive an expression for its output voltage?
Explain what is an excitation table?
What are the types of commutation? (Or) turn off methods?
What is characteristic of ideal opamp?
What are the advantages of free wheeling diodes in a controlled in a controlled rectifier?
What is meant by duty-cycle?
What is commutation angle or overlap angle?
Explain what are the basic logic elements?
What is 555 timer?
What are the disadvantages of the harmonics present in the inverter system?
Why do ics need small power for their operation?
Name the cmos version of the 555 timer.
What are the advantages of sequence control of ac voltage regulators?
