A JFET is also called____________ transistor?
A JFET is also called____________ transistor?
A. unipolar
B. bipolar
C. unijunction
D. none of the above
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A JFET has ____________ power gain?
A JFET has ____________ power gain?A. small
B. very high
C. very small
D. none of the aboveIf load resistance in the above question (Q.49) is removed, the output voltage will_____________?
If load resistance in the above question (Q.49) is removed, the output voltage will_____________?A. increase
B. decrease
C. stay the same
D. be zeroThe output characteristics of a JFET closely resemble the output characteristics of a ___________ valve?
The output characteristics of a JFET closely resemble the output characteristics of a ___________ valve?A. pentode
B. tetrode
C. triode
D. diodeA certain common-source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ______________?
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 shiftThe two important advantages of a JFET are _________________?
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 aboveIf the gate of a JFET is made less negative, the width of the conducting channel__________________?
If the gate of a JFET is made less negative, the width of the conducting channel__________________?A. remains the same
B. is decreased
C. is increased
D. none of the above