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Semiconductor E...

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  • Question 1
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    Optoelectronic devices work on :

  • Question 2
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    A thin wire of resistance $$\displaystyle 4\Omega $$ is bent to form a circle. The resistance across any diameter is:

  • Question 3
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    When semiconductor is doped half with trivalent and half with pentavalent impurities, junction formed is known as

  • Question 4
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    Which of the following is/are optoelectronic devices?

  • Question 5
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    A hole is

  • Question 6
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    The output of NOT gate when its input is $$0$$:

  • Question 7
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    In the depletion region of a pn junction, there is a shortage of

  • Question 8
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    At breakdown voltage, the rate of creation of hole-electron pairs is _____  leading to the _______  in current. 

  • Question 9
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    The pn junction can be formed by which of the following methods?

  • Question 10
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    A pn junction is a/an

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