Related Questions

Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
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 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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