A Triac has three terminals viz ___________?

Related Mcqs:

1. A power MOSFET has three terminals called___________?

   A. Collector, emitter and gate B. Drain, source and gate C. Drain, source and base D. Collector, emitter and base...

2. A Triac is a ______________?

   A. 2 terminal switch B. 2 terminal bilateral switch C. 3 terminal bilateral switch D. 3 terminal bidirectional switch...

3. TRIAC is a semiconductor power electronic device which contains____________?

   A. Two SCR’s connected in reverse parallel B. Two SCR’s connected in parallel C. Two SCR’s connected in series D. Two BJT’s connected in series...

4. DIAC and TRIAC both are semiconductors devices and conduct in____________________?

   A. DIAC conducts in forward direction and TRIAC conducts in reverse direction B. Both conducts in forward direction C. Both conducts in reverse direction D. Both conducts in either direction...

5. A TRIAC can be turned on with______________?

   A. Positive voltage at the gate terminal B. Negative voltage at the gate terminal C. Either (a) or (b) D. None of these...

6. 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)...

7. For commutation in three phase PAC, normally balanced three phase voltages VR, VY and VB are connected to the three legs of the converter via______________?

   A. Three inductances B. Three capacitances C. Three resistance D. Three transistors...

8. Which following is a two terminal three layer device?

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

9. In a three phase converter, the number of notches per cycle is____________?

   A. One B. Three C. Six D. Nine...

10. In a three phase voltage source inverters____________?

    A. Only amplitude of voltage is controllable B. Only phase is controllable C. Both amplitude and phase is controllable D. Amplitude, phase and frequency of voltages should always be controllable...