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Discussion :: Measurements and Instrumentation

  1. Two resistances R1 = 18.7 Ω. and R2 = 3.624 Ω in series. The total resistance to the appropriate number of significant figures is

    2. A.
    22.324 Ω
    B.
    22.32 Ω
    C.
    22.3 Ω
    D.
    22 Ω

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    Answer : Option C

    Explanation :

    Since second and third decimal places of R1 are not known, we can take only first decimal place of R2.

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