NEET Physics Semiconductor Electronics Questions Solved

A transistor is operated in common-emitter configuration at Vc=2volt such that a change in the base current from 100 μA to 200 μA produces a change in the collector current from 5 mA to 10 mA. The current gain is 

(a) 75                                (b) 100

(c) 150                              (d) 50

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