
Quiz on Silicon Controlled Rectifiers
Authored by Sreegiri S
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a Silicon Controlled Rectifier (SCR)?
To amplify current
To control the flow of current in one direction
To generate high-frequency signals
To store electrical charge
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many layers of semiconductor material does an SCR typically have?
Two
Three
Four
Five
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the structure of an SCR?
PNP
NPN
PNPN
NPNP
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three terminals of an SCR called?
Emitter, Base, Collector
Source, Gate, Drain
Anode, Cathode, Gate
Anode, Base, Emitter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is an SCR typically turned on?
By applying a negative voltage to the gate
By applying a positive voltage to the anode
By applying a positive current pulse to the gate
By reducing the voltage across the device to zero
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the holding current in an SCR?
The minimum current required to keep the SCR in its on state
The maximum current the SCR can handle
The current at which the SCR turns off
The current flowing through the gate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following methods cannot be used to turn off an SCR?
Reducing the anode current below the holding current
Reverse biasing the anode-cathode junction
Applying a negative pulse to the gate
Forced commutation
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