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.Management Sciences
Category: Field Effect Transistors – FET
A JFET has high input impedance because _________________?
0
A. it is made of semiconductor material
B. input is reverse biased
C. of impurity atoms
D. none of the above
If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ______________?
A. is decreased
B. is increased
C. remains the same
D. none of the above
For VGS = 0 V, the drain current becomes constant when VDS exceeds ________________?
A. cut off
B. VDD
C. VP
D. V
In a p-channel JFET, the charge carriers are _____________?
A. electrons
B. holes
C. both electrons and holes
D. none of the above
The input impedance of a MOSFET is of the order of______________?
A. O
B. a few hundred O
C. kO
D. several MO
A common base configuration of a pnp transistor is analogous to _____________?of a JFET
A. common source configuration
B. common drain configuration
C. common gate configuration
D. none of the above
n a common-source JFET amplifier, the output voltage is _____________?
A. 180o out of phase with the input
B. in phase with the input
C. 90o out of phase with the input
D. taken at the source
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