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  1. Some features of RF stage in good radio receivers is

    1. It increases sensitivity by providing amplification to RF signal
    2. It eliminates image frequency interference
    3. It increases selectivity
    4. It reduces noise level
    Which of the above are true?

    2. A.
    1, 2 and 3 only
    B.
    1, 2 and 4 only
    C.
    2, 3, 4 only
    D.
    1, 2, 3, 4

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    Answer : Option D

    Explanation :

    No answer description available for this question.

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