Computer Programming MCQs

5739 MCQs  (Page 225 of 574)

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The doping level in a zener diode is______________ that of a crystal diode?
A. The same as
B. Less than
C. More than
D. None of the above
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The relation between ß and a is______________?
A. ß = 1 / (1 – a )
B. ß = (1 – a ) / a
C. ß = a / (1 – a )
D. ß = a / (1 + a )
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A zener diode is destroyed if it______________?
A. Is forward biased
B. Is reverse biased
C. Carrier more than rated current
D. None of the above
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In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of ß is____________?
A. 100
B. 50
C. About 1
D. 200
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____________ rectifier has the lowest forward resistance?
A. Solid state
B. Vacuum tube
C. Gas tube
D. None of the above
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The value of a of a transistor is_____________?
A. More than 1
B. Less than 1
C. 1
D. None of the above
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The input impedance of a transistor is___________?
A. High
B. Low
C. Very high
D. Almost zero
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In a npn transistor,_____________are the minority carriers?
A. Free electrons
B. Holes
C. Donor ions
D. Acceptor ions
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A 10 V power supply would use ____________ as filter capacitor?
A. Paper capacitor
B. Mica capacitor
C. Electrolytic capacitor
D. Air capacitor
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The collector of a transistor is____________doped?
A. Heavily
B. Moderately
C. Lightly
D. None of the above
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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