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Electrical Engineering Mcqs
Showing 821 – 840 of 3,699 verified multiple choice questions with answers and explanations.
Q821NTS / FPSC / PPSC
A certain common-source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ______________?
Q822NTS / FPSC / PPSC
If load resistance in the above question (Q.49) is removed, the output voltage will_____________?
Q823NTS / FPSC / PPSC
A n-channel D-MOSFET with a positive VGS is operating in _______________?
Q824NTS / FPSC / PPSC
The constant-current region of a JFET lies between______________?
Q825NTS / FPSC / PPSC
If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?
Q826NTS / FPSC / PPSC
The transconductance of a JFET ranges from ________________?
Q827NTS / FPSC / PPSC
The input impedance of a MOSFET is of the order of______________?
Q828NTS / FPSC / PPSC
A MOSFET is sometimes called______________ JFET?
Q829NTS / FPSC / PPSC
A MOSFET uses the electric field of a _______________to control the channel current?
Q830NTS / FPSC / PPSC
If the gate of a JFET is made less negative, the width of the conducting channel__________________?
Q831NTS / FPSC / PPSC
The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage?
Q832NTS / FPSC / PPSC
The pinch-off voltage of a JFET is about _______________?
Q833NTS / FPSC / PPSC
In class A operation, the input circuit of a JFET is ____________ biased?
Q834NTS / FPSC / PPSC
The pinch-off voltage in a JFET is analogous to _____________ voltage in a vacuum tube?
Q836NTS / FPSC / PPSC
Which of the following devices has the highest input impedance ?
Q837NTS / FPSC / PPSC
The two important advantages of a JFET are _________________?
Q838NTS / FPSC / PPSC
In a JFET, when drain voltage is equal to pinch-off voltage, the depletion layers ______________?
Q839NTS / FPSC / PPSC