KBC Level-2
Assessment
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Neha Dobriyal
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Education
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University
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1 plays
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Medium
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25 questions
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1.
Multiple Choice
If the temperature of the diode increases, then leakage current ………..
Remains the same
Decreases
Increases
Becomes Zero
2.
Multiple Choice
The maximum efficiency of a half-wave rectifier is ………………..
40.6 %
81.2 %
50 %
25 %
3.
Multiple Choice
A transistor is ..................... controlled device.
Voltage Controlled
Temperature Controlled
Current Controlled
Both Voltage and Current Controlled
4.
Multiple Choice
The input impedance of a transistor is ………….
High
Very High
Almost Zero
Low
5.
Multiple Choice
The phase difference between the input and output voltages in a common base arrangement is …………….
180o
270o
360o
0o
6.
Multiple Choice
Most of the electrons in the base of an NPN transistor flow …………
out of the base lead
into the collector
into the emitter
into the base supply
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