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Discussion :: Voltage,Current and Resistance

  1. The minimum resistance value for a blue, gray, red, silver resistor is

    2. A.
    612
    B.
    6,120
    C.
    6,800
    D.
    6,460

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    Answer : Option B

    Explanation :

    Because of 10% tolerance(last color silver), this resistance may vary 10% of 6800.

    Minimum resistance value = 6800 - 680 = 6120

    Maximum resistance value = 6800 + 680 = 7480

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