JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Self Evaluation Test - Communication System

  • question_answer
    What will be the image frequency of an FM radio receiver that is tuned to \[98.6\text{ }MHz\] broadcast station?

    A) \[111.8\,MHz\]

    B) \[108\,MHz\]

    C) \[121.6\,MHz\]

    D) \[132\,MHz\]

    Correct Answer: C

    Solution :

    [c] \[FM\,(I.F)=11.5\,MHz\] \[F(image)={{f}_{s}}+2{{f}_{IF}}\] \[=98.6+2\times 11.5=121.6\,MHz\]


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