31. The isolation between input and output circuits in the ac equivalent circuit is lost in a ________ configuration.
(a) common-gate
(b) common-source
(c) common-drain
(d) None of the above
32. The gate-to-source voltage VGS of a(n) ________ must be larger than the threshold VGS(Th) for the transistor to conduct.
(a) JFET
(b) D-type MOSFET
(c) E-type MOSFET
(d) None of the above
33. ________ is the network-input impedance for a JFET fixed-bias configuration.
(a) RG
(b) RD
(c) Zero
(d) None of the above
34. FET amplifiers provide ________.
(a) excellent voltage gain
(b) high input impedance
(c) low power consumption
(d) All of the above
35. Nota
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