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Electronics MCQs. In this post you are going to get Multiple Choice Question
About Electronics. These all questions will help you in Test Preparation and
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11. When the external source of voltage is
applied across a p-n junction such that its positive terminal is connected to
n-region and negative terminal is connected
to p-region, the p-n junction is said to be?
A. Forward biased
B. Reversed biased
C. Positively
biased
C. Negatively
biased
12. When the p-n junction is reverse biased
then the current following through the p-n junction due to majority charge
carrier is?
A. 0
B. Very small
C. Very large
D. 1A
3. The current following across the p-n
junction due to minority charge carriers when it is reverse biased is called?
A. Forward current
B. Negative current
C. Minority
current
D. Leakage current
14. When the current in reverse biased --n junction
has reached the saturation value, then if the reverse voltage is increased
then the reverse current?
A. Increases
B. Decreases
C. Remains constant
D. Becomes infinite
15. P-n junction is also known as?
A. Transistor
B. Amplifier
C. Rectifier
D. Semi-conductor diode
16. Conversion of alternating current into
direct current is called?
A. Amplification
B. Biasing
C. Modulation
D. Rectification
17. Which of the following is used for
rectification?
A. Ammeter
B. Voltmeter
C. Generator
D. Semi-conductor diode
18. Rectification is of ____ types?
A. 2
B. 3
C. 4
D. 6
19. When only one half of alternating current
cycle is converted into direct current it is called?
A. Half rectification
B. Full rectification
C. Half-wave rectification
D. Full-wave
rectification
20. In half wave rectification, the diode
forward biased during the interval?
A. 0-t/4
B. 0-t/2
C. 0-3T/4
D. 0 - t
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