a) decibels b) volt c) neper d) none of the above Ans: (d)
a) Plate voltage b) Plate current c) Grid voltage d) Grid current Ans: (b)
a) Very high capacitance b) Very low capacitance c) Low capacitance for low frequency signal d) Low capacitance for high frequency signal Ans: (a)
a) ohm b) mho c) henry d) none of the above Ans: (b)
a) plate b) cathode c) heater d) heater than suppression grid Ans: (b)
a) true b) false Ans: (b)
a) diode b) triode c) tetrode d) pentode Ans: (a)
a) The material used for p-type semiconductor is very costly b) The p-type semiconductor requires more energy to disturb the electrons in the valence band c) 90% electrons can be collected at the collector d) 90% electrons can be controlled at the emitter Ans: (c)
a) Plate in the triode b) Cathode in the triode c) Grid in the triode d) Heater in the triode Ans: (c)
a) true b) false Ans: (a)
a) Zero current b) Small current c) High current d) Current equal to control grid Ans: (b)
a) diode b) triode c) pentode d) tetrode Ans: (c)
a) Emitter current b) Collector current c) Nature of the signal source d) Nature of the output Ans: (c)
a) infinite b) zero c) very small but not zero d) very high Ans: (c)
a) infinite b) zero c) very high but not infinite d) very small Ans: (c)
 Multiple Choice Question (MCQ) of Electronics page-17:241. Which of the following statement is true? a) The saturation voltage VCF of silicon transistor is more than germanium transistor. b) The saturation voltage VCE for germanium transistor is more than silicon transistor. c) The saturation voltage VCE for silicon transistor is same as that for germanium. d) The saturation voltage VCE for silicon transistor is lower than germanium transistor. |
Multiple Choice Question (MCQ) of Electronics page-16:226. Which of the following statement is correct? a) Inner electrons are always present in the semiconductor. b) Bound electrons are always present in the semiconductor. c) Free electrons are always present in the semiconductor. d) Inner and bound electrons are always present in the semiconductor. |
Multiple Choice Question (MCQ) of Electronics page-15:211. The materials whose electrical conductivity is usually less than 1 × 106 mho/m are a) Semiconductors b) Conductors c) Insulators d) Alloys |
Multiple Choice Question (MCQ) of Electronics page-14:196. In which of the following device the base resistors are not added in the package but added externally? a) UJT b) CUJT c) PUT d) None of the above |
Multiple Choice Question (MCQ) of Electronics page-13:181. The conduction in JEFT is always by the a) Majority carriers b) Minority carriers c) Holes d) Electrons e) Holes and electrons simultaneously |