In class A operation, the input circuit of a JFET is ____________ biased?

Related Mcqs:

1. The gate of a JFET is ___________ biased?

   A. reverse
   B. forward
   C. reverse as well as forward
   D. none of the above

2. 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

3. The input control parameter of a JFET is __________________?

   A. gate voltage
   B. source voltage
   C. drain voltage
   D. gate current

4. A JFET is similar in operation to ___________ valve?

   A. diode
   B. pentode
   C. triode
   D. tetrode

5. A certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is _____________?

   A. 20 mA
   B. 0 mA
   C. 40 mA
   D. 10 mA

6. A JFET has ____________ power gain?

   A. small
   B. very high
   C. very small
   D. none of the above

7. 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

8. In a p-channel JFET, the charge carriers are _____________?

   A. electrons
   B. holes
   C. both electrons and holes
   D. none of the above

9. A MOSFET is sometimes called______________ JFET?

   A. many gate
   B. open gate
   C. insulated gate
   D. shorted gate

10. A certain common-source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ______________?

    A. the voltage gain will increase
    B. the transconductance will increase
    C. the voltage gain will decrease
    D. the Q-point will shift