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

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...
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...
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...
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...
An SCR behaves as a____________switch?
A. Unidirectional B. Bidirectional C. Mechanical 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...
An SCR is a ____________ triggered device?
A. Voltage B. Current C. Voltage as well as current D. None of the above...
The control element of an SCR is ______________?
A. Cathode B. Anode C. Anode supply D. Gate...