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Discussion :: Communication Systems

  1. Which of the following is a better recording medium?

    2. A.
    Ferric oxide
    B.
    Ferrous oxide
    C.
    Chromium di oxide
    D.
    Either (a) or (b)

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    Workspace

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    Answer : Option C

    Explanation :

    Chromium di oxide has very good retentivity.

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