In a certain common source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is ___________

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

The constant-current region of a JFET lies between

A. cut off and saturation

B. cut off and pinch-off

C. o and IDSS

D. pinch-off and breakdown

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