Related Questions

An SCR is made of silicon and not germanium because silicon
A Is inexpensive
B Is mechanically strong
C Has small leakage current
D Is tetravalent
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
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 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
An SCR has ___________ pn junctions
A Two
B Three
C Four
D None of the above
An SCR behaves as a ___________ switch
A Unidirectional
B Bidirectional
C Mechanical
D None of the above
An SCR is a solid state equivalent of ___________
A Triode
B Pentode
C Gas-filled triode
D Tetrode
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
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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