The most suited gate pulses given to the AC regulator with R – L load can be in the form of____________?

Related Mcqs:

1. For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?

   A. 111.9 Ω. B. 11.19 Ω. C. 108 Ω. D. 115 Ω...

2. A single phase full bridge inverter can operate in load commutation mode in case load consists of____________?

   A. RL. B. RLC underdamped. C. RLC overdamped. D. RLC critically damped....

3. The maximum firing angle in the half wave controlled regulator is_____________?

   A. 180 degree B. 190 degree C. 200 degree D. 210 degree...

4. Regulator sampling PWM is usually used in___________?

   A. High power inverters B. Rectifiers C. Low power inverters D. Only A. and B....

5. A single phase full bridge inverter can operated in load commutation mode in case load consist of______?

   A. RL. B. RLC underdamped. C. RLC overdamped. D. RLC critically damped...

6. A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is _____?

   A. 30° to 150°. B. 30° to 180°. C. 60° to 120°. D. 60° to 180°....

7. Gate circuit or triggering circuit of a thyristor is

   A. lower power circuit. B. high power circuit. C. magnetic circuit. D. may be low power or high power circuit...

8. During gate recovery time_____________?

   A. charge carriers of J2 junction recombined B. charge carriers of J2 junction is swept out C. charge carrier of J1 junction removed D. charge carriers of J3 junction is removed...

9. With gate open, the maximum anode current at which SCR is turned off from ON condition is called____________?

   A. breakdown voltage B. peak reverse voltage C. holding current D. latching current...

10. 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)...