The two important advantages of a JFET are _________________?

Related Mcqs:

1. 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...

2. A MOSFET differs from a JFET mainly because _________________?

   A. of power rating B. the MOSFET has two gates C. the JFET has a pn junction D. none of the above...

3. The gate of a JFET is ___________ biased?

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

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

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

5. 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...

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

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

7. 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...

8. A MOSFET is sometimes called______________ JFET?

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

9. 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...

10. At cut-off, the JFET channel is _____________?

    A. at its widest point B. completely closed by the depletion region C. extremely narrow D. reverse baised...