1000+ Analog Electronics Gate Questions with Solutions Pdf - 2
Question: 6
Thermal runaway is not possible in FET because as the temperature of FET increases
(A) the mobility increases
(B) the drain current increases
(C) the mobility decreases
(D) the transconductance increase
Ans: C
the mobility decreases
Question: 7
Feedback in amplifier always helps in
(A) controlling its output
(B) reducing its input impedance
(C) stabilize its gain
(D) increasing its gain
Ans: A
controlling its output
Question: 8
A metal with unequal anti-parallel atomic magnetic moments is
(A) a ferrite
(B) ferrimagnet
(C) an anti ferromagnet
(D) non magnetic
Ans: B
ferrimagnet
Question: 9
Which is the factor on which total number of electrons in an atom depends?
(A) atomic size
(B) atomic weight
(C) atomic number
(D) none of the above
Ans: C
atomic number
Question: 10
How will be the extrinsic semiconductor act at room temperature?
(A) conductor
(B) poor conductor
(C) medium conductor
(D) none of the above
Ans: B
poor conductor
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