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Study MCQ
Electronics Mechanic
POWER SUPPLY CIRCUITS
Set 1
Set 1
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Q4449
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Which component filter the ripples in the rectifier circuit?
A
DIAC
B
Diode
C
TRIAC
D
Capacitor
Q4450
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Which parameter is maintained constant in zener diode?
A
Power
B
Current
C
Voltage
D
Resistance
Q4451
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What is the meaning of maximum safe reverse voltage across a diode?
A
PIV voltage
B
Knee voltage
C
Break down voltage
D
Reverse break down voltage
Q4452
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When does the zener diode begins to conduct in the reverse biased condition?
A
When bias voltage reached 0.7V
B
After the barrier voltage cancelled
C
Voltage across zener reached 0.3V
D
Voltage across it reached the zener voltage
Q4453
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What is the output pulse frequency of the full wave rectifier with input frequency of 50 Hz?
A
40 Hz
B
60 Hz
C
100 Hz
D
200 Hz
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