A. Exactly zero
B. Small leakage current
C. Large leakage current
D. None of the above
0
We can control a.c. power in a load by connecting ______________?
0
If firing angle in an SCR circuit is increased, the output _____________?
A. Two SCRs in series
B. Two SCRs in parallel
C. Two SCRs in parallel opposition
D. None of the above
0
An SCR can exercise control over____________of a.c. supply?
A. Remains the same
B. Is increased
C. Is decreased
D. None of the above
0
When SCR starts conducting, then _____________ loses all control?
A. Positive half-cycles only
B. Negative half-cycles only
C. Both positive and negative half-cycles
D. Positive or negative half-cycles
Download App