Computer Programming MCQs

5739 MCQs  (Page 274 of 574)

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In class A operation, the input circuit of a JFET is ____________ biased?
A. Forward
B. Reverse
C. Not
D. None of the above
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The pinch-off voltage of a JFET is about _______________?
A. 5 v
B. 0.6 v
C. 15 v
D. 25 v
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The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage?
A. Saturation
B. Pinch-off
C. Active
D. Cut-off
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If the gate of a JFET is made less negative, the width of the conducting channel__________________?
A. Remains the same
B. Is decreased
C. Is increased
D. None of the above
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A MOSFET uses the electric field of a _______________to control the channel current?
A. Capacitor
B. Battery
C. Generator
D. None of the above
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A MOSFET is sometimes called______________ JFET?
A. Many gate
B. Open gate
C. Insulated gate
D. Shorted gate
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The input impedance of a MOSFET is of the order of______________?
A. O
B. A few hundred o
C. Ko
D. Several mo
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The transconductance of a JFET ranges from ________________?
A. 100 to 500 ma/v
B. 500 to 1000 ma/v
C. 0.5 to 30 ma/v
D. Above 1000 ma/v
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If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?
A. Is increased
B. Is decreased
C. Remains the same
D. None of the above
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The constant-current region of a JFET lies between______________?
A. Cut off and saturation
B. Cut off and pinch-off
A. And idss
C. Pinch-off and breakdown
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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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