A. Exactly zero
B. Small leakage current
C. Large leakage current
D. None of the above
✅ The correct answer is option B.
SCR (Silicon Controlled Rectifiers) MCQs
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
✅ The correct answer is option A.
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
✅ The correct answer is option C.
We can control a.c. power in a load by connecting ______________?
A. Two SCRs in series
B. Two SCRs in parallel
C. Two SCRs in parallel opposition
D. None of the above
✅ The correct answer is option C.
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
✅ The correct answer is option A.