Power electronics essentially deals with control of a.c. power at____________?

Related Mcqs:

The maximum di/dt in a SCR is____________?

A. Directly proportional to supply voltage B. Directly proportional to inductance in the circuit C. Inversely proportional to supply voltage D. Both A and B...

The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt?

A. 600 V/µs B. 800 V/µs C. 1200 V/µs D. 1000 V/µs...

Which following is a two terminal three layer device?

A. BJT B. Power dioed C. MOSFET D. None of above...

In the operation and control of both naturally commutated and forced commutated SCR base converter, commutation plays an important role. The converters is / are ___________?

A. AC – DC B. DC – DC C. DC – AC D. All of these...

The phase angle of gate signal in TRIAC can be shifted by using_____________?

A. A capacitor B. A variable resistor C. An inductor D. Only (a) and (b)...