Related Questions

A MOSFET is sometimes called ___________ JFET
A many gate
B open gate
C insulated gate
D shorted gate
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 hydrometer method of sedimentation analysis differs from the pipette analysis mainly in
A the principle of test
B the method of taking observations
C the method of preparation of soil suspension
D all of the above
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
The gate voltage in a JFET at which drain current becomes zero is called ___________ voltage
A saturation
B pinch-off
C active
D cut-off
The output characteristics of a JFET closely resemble the output characteristics of a ___________ valve
A pentode
B tetrode
C triode
D diode
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
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
The input control parameter of a JFET is ___________
A gate voltage
B source voltage
C drain voltage
D gate current
The input impedance of a JFET is ___________ that of an ordinary transistor
A equal to
B less than
C more than
D none of the above

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