The majority charge carriers in the emitter of an NPN transistor are _________.

pentavalent atoms

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trivalent atoms

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electrons

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holes

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Solution

The correct option is C electrons
npn transistor is shown:

As we can see from the diagram, the emitter in the npn transistor is of n-type. Therefore majority charge carriers in the emitter of an npn transistor are called electrons.

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Similar questions

In an n-p-n transistor, the majority carriers in the emitter and collector are :

In an n-type silicon, which of the following statement is true:

(a) Electrons are majority carriers and trivalent atoms are the dopants.

(b) Electrons are minority carriers and pentavalent atoms are the dopants.

(d) Holes are majority carriers and trivalent atoms are the dopants.

98 %

50 μ A

100 μ A

R_{L}

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