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

The input control parameter of a JFET is __________________?
A. gate voltage B. source voltage C. drain voltage D. gate current...
In class A operation, the input circuit of a JFET is ____________ biased?
A. forward B. reverse C. not D. none of the above...
Which of the following devices has the highest input impedance ?
A. JFET B. MOSFET C. Crystal diode D. ordinary transistor...
The input impedance of a MOSFET is of the order of______________?
A. O B. a few hundred O C. kO D. several MO...
The two important advantages of a JFET are _________________?
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...
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...
A JFET is similar in operation to ___________ valve?
A. diode B. pentode C. triode D. tetrode...
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...