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Study MCQ
Electronics Mechanic
POWER SUPPLY CIRCUITS
Set 3
Set 3
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Q4459
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Which impurity is added to form P - type semiconductor material?
A
Arsenic
B
Gallium
C
Antimony
D
Phosphorus
Q4460
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Which impurity is added to pure semiconductor to form N-type material?
A
Boron
B
Indium
C
Arsenic
D
Gallium
Q4461
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What is the output frequency of the pulsating DC in a two diode fullwave rectifier?
A
Half of the input A/C frequency
B
Double the input A/C frequency
C
Same frequency of the A/C input
D
Three times the input A/C frequency
Q4462
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What is the name of the process of converting AC into DC voltage?
A
Inverting
B
Rectifying
C
Amplifying
D
Demodulating
Q4463
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What is the effect on the output voltage in a bridge rectifier circuits, with one diode open?
A
Very low voltage
B
No output DC voltage
C
Full output rated voltage
D
Half of the rated output voltage
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