Related Questions

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
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
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
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
A power supply which has voltage regulation of ___________ is unregulated power supply
A 0%
B 5%
C 10%
D 8%
When an SCR is turned on, the voltage across it is about ___________
A Zero
B 10 V
C 1.5 V
D 1 V
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
An SCR is made of ___________
A Germanium
B Silicon
C Carbon
D None of the above
When SCR starts conducting, then ___________ loses all control
A Gate
B Cathode
C Anode
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

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