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Consider an npn transitor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?. 

(a) Electrons crossover from emitter to collector. 

(b) Holes move from base to collector. 

(c) Electrons move from emitter to base. 

(d) Electrons from emitter move out of base without going to the collector.

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(a), (c)

(a) Electrons crossover from emitter to collector. 

(c) Electrons move from emitter to base. 

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