An SCR can exercise control over____________of a.c. supply?

SCR (Silicon Controlled Rectifiers) 11/10/2021

A. Positive half-cycles only
B. Negative half-cycles only
C. Both positive and negative half-cycles
D. Positive or negative half-cycles

Related Mcqs:

    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 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 turned off when ________________?
    A. Anode current is reduced to zero B. Gate voltage is reduced to zero C. Gate is reverse biased D. None of the above...
    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...
    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...

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