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Study MCQ
Electronics Mechanic
POWER SUPPLY CIRCUITS
Set 2
Set 2
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Q4454
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What is the maximum safe reverse voltage rating of a diode?
A
PIV voltage
B
Knee voltage
C
Break down voltage
D
Forward break down voltage
Q4455
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Which is the first step followed in troubleshooting of electronic circuit?
A
Thermal test
B
Chemical test
C
Mechanical test
D
Physical and sensory test
Q4456
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Which diode is used in low power communication circuits?
A
Signal diodes
B
Rectifier diodes
C
Switching diodes
D
High power diodes
Q4457
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What is the disadvantage of the two diode full wave rectifier compared with a bridge rectifier?
A
DC output level is higher
B
The ripple frequency is higher
C
The need of bulky transformer
D
Each diode carries half the load current
Q4458
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What is the process of adding impurities to a pure semi conductor material?
A
Doping
B
Etching
C
Forming
D
Diffusion
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