1) What are the names of the terminals X, Y and Z? a) X = Base, Y = Collector, Z = Emitter b) b. X = Emitter, Y = Base, Z = Collector c) c. X = Collector, Y = Base, Z = Emitter d) d. X = Collector, Y = Emitter, Z = Base 2) The emitter-base junction of a transistor is ___ Biased while the collector-base junction is ____. a) Reverse, Forward b) Reverse, Reverse c) Forward, Forward d) Forward, Reverse 3) In amplifier circuit, biasing of transistor is necessary to ____. a) Fix the value of current amplification b) Establish suitable D.C. working conditions c) Ensure that transistor is saturated d) Ensure that transistor is cutoff 4) In which circuit does the bulb light up? a) A b) B c) C d) D 5) In a transistor the base is made very thin and is lightly doped with an impurity, because a) To enable the emitter to emit small of holes or electrons b) To enable the collector to collect about 95% of holes or electrons coming from the emitter side c) To save the transistors from high current effects d) To enable the base to collect 95% of holes or electrons coming from the emitter side

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