In an SCR circuit the supply voltage is generally ___________ that of breakover voltage?

Related Mcqs:

1. If firing angle in an SCR circuit is increased, the output _____________?

   A. Remains the same B. Is increased C. Is decreased D. None of the above...

2. When SCR is OFF, the current in the circuit is ________________?

   A. Exactly zero B. Small leakage current C. Large leakage current D. None of the above...

3. In an SCR circuit, the angle of conduction can be changed by__________________?

   A. Changing anode voltage B. Changing gate voltage C. Reverse biasing the gate D. None of the above...

4. If gate current is increased, then anode-cathode voltage at which SCR closes_________________?

   A. Is decreased B. Is increased C. Remains the same D. None of the above...

5. When an SCR is turned on, the voltage across it is about _____________?

   A. Zero B. 10 V C. 1 V D. 1 V...

6. An SCR can exercise control over____________of a.c. supply?

   A. Positive half-cycles only B. Negative half-cycles only C. Both positive and negative half-cycles D. Positive or negative half-cycles...

7. An SCR is a solid state equivalent of ______________?

   A. Triode B. Pentode C. Gas-filled triode D. Tetrode...

8. An SCR has ___________semiconductor layers?

   A. Two B. Three C. Four D. None of the above...

9. An SCR combines the features of ____________?

   A. A rectifier and resistance B. A rectifier and transistor C. A rectifier and capacitor D. None of the above...

10. The control element of an SCR is ______________?

    A. Cathode B. Anode C. Anode supply D. Gate...