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Study MCQ
Electronics Mechanic
POWER ELECTRONIC COMPONENTS
Set 7
Set 7
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Q4443
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Which parameter controls the current flow in a BI-polar transistor?
A
Voltage
B
Current
C
Frequency
D
Resistance
Q4444
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Which device generates high frequency radio frequency indeferences by the extremely rapid turn-ON time?
A
UJT
B
TRIAC
C
Op-Amp
D
Transistor
Q4445
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Which characteristics exhibits the current conduction increases while the voltage across the devices decreases in a DIAC?
A
Linearity characteristics
B
Negative resistance characteristics
C
Positive resistance characteristics
D
Nonlinearity characteristics
Q4446
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What is the load current handled by the solid state relay that must be mounted to some heatsink to protect the device?
A
Greater than 4 Amp
B
3 Amp
C
2 Amp
D
1 Amp
Q4447
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How the solid state relays are working for increased lifetime?
A
Bulky profile
B
Slower in operations
C
Spark generated during switching
D
No moving parts to wear and tear
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