An SCR combines the features of ____________?

Related Mcqs:

1. An SCR is sometimes called ____________?

   A. Triac
   B. Diac
   C. Unijunction transistor
   D. Thyristor

2. An SCR is a ____________ triggered device?

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

3. 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

4. An SCR is made of_______________?

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

5. An SCR has three terminals viz ________________?

   A. Cathode, anode, gate
   B. Anode, cathode, grid
   C. Anode, cathode, drain
   D. None of the above

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

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

7. 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

8. An SCR behaves as a____________switch?

   A. Unidirectional
   B. Bidirectional
   C. Mechanical
   D. None of the above

9. In the normal operation of an SCR, anode is __________ w.r.t. cathode?

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

10. 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