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

Related Mcqs:

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

   A. Equal to B. Less than C. Greater than D. None of the above...

2. An SCR is turned off when ________________?

   A. Anode current is reduced to zero B. Gate voltage is reduced to zero C. Gate is reverse biased D. None of the above...

3. An SCR is turned off by _________________?

   A. Reducing anode voltage to zero B. Reducing gate voltage to zero 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 SCR starts conducting, then _____________ loses all control?

   A. Gate B. Cathode C. Anode D. None of the above...

6. 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...

7. An SCR is made of_______________?

   A. Germanium B. Silicon C. Carbon D. None of the above...

8. In normal operation of an SCR, gate is _____________w.r.t. cathode?

   A. Positive B. Negative C. At zero potential D. None of the above...

9. An SCR is made of silicon and not germanium because silicon _________________?

   A. Is inexpensive B. Is mechanically strong C. Has small leakage current D. Is tetravalent...

10. An SCR is a ____________ triggered device?

    A. Voltage B. Current C. Voltage as well as current D. None of the above...