Which of following is normally ON device?

Related Mcqs:

Under normal operating condition voltage clamping device offers impedance of_________?

A. high value. B. low value. C. zero value. D. moderate value....

Dynamic equalising circuit is useful____________?

A. To limit di / dt of SCR B. To limit dV / dt of SCR C. For voltage equalisation D. Both B and C...

In a 3 phase CSI, if the required line output voltages are balanced and 120 degree out of phase, then the chopping angles are used to eliminate only the harmonics at frequencies

A. 5 B. 7 C. 11 D. All of these...

In constant frequency PWM, at perturbation the amplitude of the sinusoidal component is a___________?

A. Linear function B. Non linear function C. Constant function D. None of these...

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

A. Frequencies above 20 kHz B. Frequencies above 1000 kHz C. Frequencies less than 10 Hz D. 50 Hz frequency...