Electronic devices & Communication system


Electronic devices & Communication system

  1. In the use of transistor as an amplifier









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    NA

    Correct Option: A

    NA


  1. For television broadcasting the frequency employed is normally









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    NA

    Correct Option: A

    NA



  1. Resistivity of semiconductor depends on









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    NA

    Correct Option: C

    NA


  1. The sky wave propagation is suitable for radio waves of frequency.









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    NA

    Correct Option: C

    NA



  1. The expected energy of the electron at absolute zero is called









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    NA

    Correct Option: A

    NA