JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Assertion and Reason

  • question_answer
    Assertion             :       Fax is a modulating and demodulating device. Reason                 :       It is necessary for exact reproduction of a document.

    A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C)             If assertion is true but reason is false.

    D)             If the assertion and reason both are false.

    E)             If assertion is false but reason is true.

    Correct Answer: E

    Solution :

                The electronic reproduction of a document at a distance plane is known as FAX modulation and demodulation is done by modem.


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