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)