Computer Programming MCQs

5739 MCQs  (Page 273 of 574)

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A MOSFET has______________ terminals?
A. Two
B. Five
C. Four
D. Three
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A JFET is a__________ driven device?
A. Current
B. Voltage
C. Both current and voltage
D. None of the above
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If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ______________?
A. Is decreased
B. Is increased
C. Remains the same
D. None of the above
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A JFET has ____________ power gain?
A. Small
B. Very high
C. Very small
D. None of the above
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A JFET has high input impedance because _________________?
A. It is made of semiconductor material
B. Input is reverse biased
C. Of impurity atoms
D. None of the above
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In a JFET, when drain voltage is equal to pinch-off voltage, the depletion layers ______________?
A. Almost touch each other
B. Have large gap
C. Have moderate gap
D. None of the above
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The two important advantages of a JFET are _________________?
A. High input impedance and square-law property
B. Inexpensive and high output impedance
C. Low input impedance and high output impedance
D. None of the above
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Which of the following devices has the highest input impedance ?
A. Jfet
B. Mosfet
C. Crystal diode
D. Ordinary transistor
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_____________ has the lowest noise-level?
A. Triode
B. Ordinary trnsistor
C. Tetrode
D. Jfet
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The pinch-off voltage in a JFET is analogous to _____________ voltage in a vacuum tube?
A. Anode
B. Cathode
C. Grid cut off
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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