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In case of npn transistors, the collector current is always less than the emitter current because ______. -

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Question

In case of npn transistors, the collector current is always less than the emitter current because ______.

Options

  • collector side is reverse biased and emitter side is forward biased.

  • after electrons are lost in the base, only remaining ones reach the collector.

  • collector side is forward biased and emitter side is reverse biased.

  • collector being reverse biased attracts less electrons.

MCQ
Fill in the Blanks

Solution

In case of npn transistors, the collector current is always less than the emitter current because after electrons are lost in the base, only remaining ones reach the collector.

Explanation:

`"I"_"E" = "I"_"B" + "I"_"C" => "I"_"C" = "I"_"E" -  "I"_"B"`

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Bipolar Junction Transistor (BJT)
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