Field Effect Transistor (FET) Multiple Choice Questions And Answers
36. The main disadvantage of the FET is its
A.Low input impedance
B.Low thermal stability
C.High noise
D.Low gain-band width product
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D.Low gain-band width product
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37. The input gate current of a FET is
A.A few micro-amperes
B.A few mili-amperes
C.A few amperes
D.Negiligibly small
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38. A FET, for its operation, depends on the variation of
A.Magnetic field
B.Reversed-biased junction
C.Forward-biased junction
D.The depletion-layer width with reverse field
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39. Resistance of FET
A.Increases with increase of temperature
B.Is independent of temperature
C.Increases with decrease of temperature
D.None of the above
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40. A FET differs from a bipolar transistor as it has
A.Negative resistance
B.Simpler fabrication
C.High input impedance
D.Any of the above
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