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Consider an n-p-n transistor with its ba...

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

A

electrons cross over over 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

Text Solution

Verified by Experts

The correct Answer is:
A, C
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Knowledge Check

  • If a p-n junction is reverse biased then

    A
    a potential barrier is created at the junction
    B
    the effective resistance reaches an infinite value
    C
    a small current is obtained due to diffusion of majority carrier electrons and holes
    D
    In spite of increasing the reverse bias the reverse current remains almost unchanged

  • In an n-type silicon, which of the following statements is true?

    A
    electrons are majority carriers and trivalent atoms are the dopants
    B
    electrons are minority carriers and pentavalent atoms are dopants
    C
    holes are minority carriers and pentavalent atoms are dopants
    D
    holes are majority carriers and trivalent atoms are dopants

  • When a p-n junction is reverse biased then

    A
    no current flows
    B
    the depletion layer is increased
    C
    the depletion layer is decreased
    D
    hight of potential barriers is reduced

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    In the active region of a transistor the biasisng at the emitter-base junction and collector - base junction are respectively

    When a forward bias is applied to a p-n junction, it

    In an n-p-n transistor circuit, the collector current is 10 mA. If 95% of the electrons emitted reach the collector, which of the following statements are true?

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