a) Clipper b) Clamper c) Limiter d) Shunt limiter Ans: (b)
a) No filament current is required b) Smaller size c) Higher current handling capacity d) Much smaller voltage across the “on"SCR Ans: ()
a) Germanium is costlier than the silicon b) Germanium is not used as semiconductor c) The leakage current is high in germanium d) The current handling capacity of germanium is less than the silicon Ans: (c)
a) 100 b) 10 c) 1000 d) 10,000 Ans: (b)
a) – 90 volts b) – 91 volts c) – 10 volts d) – 100 volts Ans: (b)
a) 7.5 volt b) 5 volt c) 100 volt d) 10 volt e) 2.5 volt Ans: (d)
a) The emitter potential is more than base and collector b) The collector potential is more than the emitter and base potential c) The base potential is more than the collector and emitter potential d) The base, emitter and collector are all at essentially the same potential Ans: (d)
a) Use of transistors as switching device is not economic b) They can handle only high voltage but not high current c) Of slowness of response and inability of withstand high voltage d) They need separate circuitry when used as switching device Ans: (c)
a) Astable multivibrator b) Monostable multivibrator c) Bistable multivibrator d) (a) or (b) Ans: (c)
a) Bistable multivibrator b) Monostable multvibrator c) Astable multivibrator d) (b) and (c) both Ans: (c)
a) Bistable multivibrator b) Monostable multivibrator c) Astable multivibrator d) (b) or (c) Ans: (c)
a) True b) False Ans: (b)
a) An astable multivibrator b) A monostable multivibrator c) A bistable multivibrator d) (a) or (b) Ans: (d)
a) 10 volts b) 5 volts c) 7.5 volts d) 2.5 volts Ans: (a)
a) 100 volts b) 155 volts c) 30 volts d) 25 volts e) 85 volts Ans: (d)