Computer Programming MCQs

5739 MCQs  (Page 266 of 574)

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As the junction temperature increases, the voltage breakdown point for Zener mechanism _______________?
A. Is increased
B. Is decreased
C. Remains the same
D. None of the above
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In a 15 V Zener diode , the breakdown mechanism will occur by ______________?
A. Avalanche mechanism
B. Zener mechanism
C. Both zener and avalanche mechanism
D. None of the above
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A Zener diode is used as a _____________voltage regulating device?
A. Shunt
B. Series
C. Series-shunt
D. None of the above
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As the junction temperature increases, the voltage breakdown point for avalanche mechanism______________?
A. Remains the same
B. Decrease
C. Increases
D. None of the above
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Zener diode are generally made of _____________?
A. Germanium
B. Silicon
C. Carbon
D. None of the above
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If the doping level is increased, the breakdown voltage of the Zener_______________?
A. Remains the same
B. Is increased
C. Is decreased
D. None of the above
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In a Zener voltage regulator, the changes in load current produce changes in _________________?
A. Zener current
B. Zener voltage
C. Zener voltage as well as zener current
D. None of the above
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For increasing the voltage rating, zeners are connected in_____________?
A. Parallel
B. Series-parallel
C. Series
D. None of the above
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Another name for Zener diode is ______________diode?
A. Breakdown
B. Voltage
C. Power
D. Current
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A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes______________?
A. Less than load current
B. Zero
C. More than load current
D. None of the above
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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