121. Which of the following has minimum value for a transistor –
(a) Emitter current
(b) Base current
(c) Collector current
(d) None of these
122. In a usual transistor circuit –
(a) The collector junction is forward biased and emitter junction is reverse biased
(b) the collector junction is reverse biased and emitter junction is forward biased
(c) Both the junctions are forward biased
(d) Both the junctions are reverse biased
123. Junction transistor is identical in working to a –
(a) Diode
(b) Tetiode
(c) Triode
(d) Pentode
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