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Study MCQ
Electronics Mechanic
POWER ELECTRONIC COMPONENTS
Set 5
Set 5
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Q4433
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What will happen in SCR with forward biased condition and gate current is applied?
A
Reverse current conduction commences
B
Forward current conduction stops
C
Reverse current turned off
D
Forward current conduction commences
Q4434
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How many layers of PN - junctions are used in SCR fabrication?
A
Two layer two junctions
B
Four layer three junctions
C
Three layer three junctions
D
Three layer four junctions
Q4435
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Which semiconductor devices are composed inside the solid state relays?
A
Diodes and transistors
B
Thyristor and transistors
C
MOSFETs and IGBTs
D
UJYs and FETs
Q4436
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What is the function of solid state relay(SSR)?
A
Low pass filter
B
High frequency oscillator
C
High gain amlifier
D
High speed switching
Q4437
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How the lamp failures caused by the high inrush currents in lamp dimmer circuits using TRIAC is eliminated?
A
By the fuse
B
Using MCB
C
Using Safety resistor
D
By soft start circuit
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