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Semiconductor E...

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  • Question 1
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    What change could be seen when dopant atoms are added to an intrinsic semiconductor?

  • Question 2
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    Energy band gap between valence band and conduction band for insulator is:

  • Question 3
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    Energy band gap between valence band and conduction band for conductor is:

  • Question 4
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    Conductors are materials having an electrical conductivity :

  • Question 5
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    The semiconductor diodes in which carriers are generated by photons (photo-excitation) are called            devices.

  • Question 6
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    Energy band gap between valence band and conduction band for semiconductor is:

  • Question 7
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    Match the following

    a) p-type semiconductor1) Pure semiconductor
    b) Intrinsic semiconductor2) Doped with impurity
    c) Extrinsic semiconductor3) majority carriers are electrons
    d) n-type semiconductor4) majority carriers are holes

  • Question 8
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    Semiconductors are materials having an electrical conductivity :

  • Question 9
    1 / -0

    The junction area is kept much larger in a solar cell

  • Question 10
    1 / -0

    Which of the following is a property of a Light Emitting Diode (LED)?

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