81. gm has its maximum value for a JFET at ________.
(a)
(b) 0.5
(c) 0.3
(d) IDSS
82. ________ is an undefined quantity in a JFET.
(a) Ai
(b) Av
(c) Zi
(d) Zo
83. The ________ controls the ________ of an FET.
(a) ID, VGS
(b) VGS, ID
(c) IG, VDS
(d) IG, ID
84. The value of gm is at its maximum gm0 at VGS equal to ________ and zero at VGS equal to ________.
(a) 0 V,
(b) , 0 V
(c) 0.5, 0.3
(d) 0.3 , 0.5
85. The ________ is quite popular in digital circuits, especially in CMOS circuits that require very low power consumption.
(a) JFET
(b) BJT
(c) D-type MOSFET
(d) E-type MOSFET
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