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
Related Mcqs:
- 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 - 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 - The gate of a JFET is ___________ biased?
A. reverse
B. forward
C. reverse as well as forward
D. none of the above - A JFET is similar in operation to ___________ valve?
A. diode
B. pentode
C. triode
D. tetrode - 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 - In a p-channel JFET, the charge carriers are _____________?
A. electrons
B. holes
C. both electrons and holes
D. none of the above - 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 - A MOSFET is sometimes called______________ JFET?
A. many gate
B. open gate
C. insulated gate
D. shorted gate - 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 - 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
