Computer Programming MCQs

5739 MCQs  (Page 226 of 574)

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The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?
A. One-half
B. The same as
C. Twice
D. Four times
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In a pnp transistor, the current carriers are______________?
A. Acceptor ions
B. Donor ions
C. Free electrons
D. Holes
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The most widely used rectifier is ________________?
A. Half-wave rectifier
B. Centre-tap full-wave rectifier
C. Bridge full-wave rectifier
D. None of the above
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If the PIV rating of a diode is exceeded,_______________?
A. The diode conducts poorly
B. The diode is destroyed
C. The diode behaves like a zener diode
D. None of the above
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IC = aIE +____________?
A. Ib
B. Iceo
C. Icbo
D. ßib
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A 1,000 V power supply would use_____________ as a filter capacitor?
A. Paper capacitor
B. Air capacitor
C. Mica capacitor
D. Electrolytic capacitor
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The output impedance of a transistor connected in_____________arrangement is the highest?
A. Common emitter
B. Common collector
C. Common base
D. None of the above
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_____________ filter circuit results in the best voltage regulation?
A. Choke input
B. Capacitor input
C. Resistance input
D. None of the above
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IC = ß IB +__________?
A. Icbo
B. Ic
C. Iceo
D. Aie
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A half-wave rectifier has an input voltage of 240 V r.m.s. If the step-down transformer has a turns ratio of 8:1, what is the peak load voltage? Ignore diode drop?
A. 27.5 v
B. 86.5 v
C. 30 v
D. 42.5 v
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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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