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Discussion :: Measurements and Instrumentation

  1. Two resistances are : R1 = 36 Ω ± 1.89 Ω and R2 = 75 Ω ± 3.75 Ω. The sum R1 + R2 along with limiting error is

    2. A.
    111 Ω ± 1.8 Ω
    B.
    111 Ω ± 3.75 Ω
    C.
    111 Ω ± 5.55 Ω
    D.
    111 Ω ± 1.95 Ω

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    Answer : Option C

    Explanation :

    36 + 75 = 111, 1.8 + 3.75 = 5.55.

    Therefore, R1 + R2 = 111 ± 5.55 ohm.

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