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  4. In a transistor the collector current is always less than the emitter current because

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Q. In a transistor the collector current is always less than the emitter current because

JamiaJamia 2008

Solution:

Due to forward bias at the emitter-base junction, the majority charge carrier electrons of emitter get repelled from the negative terminal and move towards base. Some of these electrons combine with the majority charge carrier holes present in the base and most of the electrons reach the collector, crossing the collector-base junction. This implies that collector current is always less than the emitter current due to the reason .