The control element of an SCR is ______________?

Related Mcqs:

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

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

2. When SCR starts conducting, then _____________ loses all control?

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

3. 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

4. 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

5. 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

6. An SCR has ___________semiconductor layers?

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

7. An SCR has __________ pn junctions?

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

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

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

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 normal way to turn on a SCR is by______________?

    A. Breakover voltage
    B. Appropriate anode current
    C. Appropriate gate current
    D. None of the above