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SPECIAL SEMI CONDUCTORS AND POWER SUPPLY - Practice Mode
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Information and Communication Technology System Maintenance (ICTSM)
SPECIAL SEMI CONDUCTORS AND POWER SUPPLY
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1) Which is two terminal device?
TRIAC
DIAC
SCR
UJT
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Correct Answer: DIAC
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1) Which is two terminal device?
TRIAC
DIAC
SCR
UJT
2) What is the operating frequency of linear power supply?
20 Hz to 25 Hz
50 Hz to 60 Hz
5 kHz to 10 kHz
15 kHz to 1 MHz
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Correct Answer: 50 Hz to 60 Hz
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2) What is the operating frequency of linear power supply?
20 Hz to 25 Hz
50 Hz to 60 Hz
5 kHz to 10 kHz
15 kHz to 1 MHz
3) What is the efficiency of linear power supply?
30% - 40%
40% - 50%
50% - 60%
60% - 75%
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Correct Answer: 30% - 40%
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3) What is the efficiency of linear power supply?
30% - 40%
40% - 50%
50% - 60%
60% - 75%
4) Which circuit is used in SMPS for voltage regulation?
Clipping
Clamping
Switching
Amplification
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Correct Answer: Switching
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4) Which circuit is used in SMPS for voltage regulation?
Clipping
Clamping
Switching
Amplification
5) What is the full form of the abbreviation CVT?
Complex Virtual Technology
Constant Voltage Transformer
Composite Video Transmission
Complementary Voltage Terminal
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Correct Answer: Constant Voltage Transformer
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5) What is the full form of the abbreviation CVT?
Complex Virtual Technology
Constant Voltage Transformer
Composite Video Transmission
Complementary Voltage Terminal
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