A. Unidirectional
B. Bidirectional
C. Mechanical
D. None of the above
Advertisement
Related Mcqs:
- 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...
- An SCR is made of_______________?
- A. Germanium B. Silicon C. Carbon D. None of the above...
- An SCR has three terminals viz ________________?
- A. Cathode, anode, gate B. Anode, cathode, grid C. Anode, cathode, drain D. None of the above...
- An SCR is a solid state equivalent of ______________?
- A. Triode B. Pentode C. Gas-filled triode D. Tetrode...
- 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...
- 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...
- When an SCR is turned on, the voltage across it is about _____________?
- A. Zero B. 10 V C. 1 V D. 1 V...
- An SCR is a ____________ triggered device?
- A. Voltage B. Current C. Voltage as well as current D. None of the above...
- 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...
- The control element of an SCR is ______________?
- A. Cathode B. Anode C. Anode supply D. Gate...
Advertisement