Related Questions

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
In an SCR circuit the supply voltage is generally ___________ that of breakover voltage
A Equal to
B Less than
C Greater than
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
"All changed, changed utterly: A terrible beauty is born" This extract is taken from W.B Yeats' poem titled _______
A No Second troy
B Easter 1916
C The Second Coming
D The Wild Swans at Coole
If one angle of a triangle is three times a second angle and the third is 20 degrees more than the second angle, the second angle, in degrees, is
A 32
B 36
C 4
D None of these
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
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
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

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