Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    Ohm's law defines

    A)  A resistance

    B)  Current only

    C)  Voltage only

    D)  Both current and voltage

    Correct Answer: A

    Solution :

    [a] According to Ohm's law resistance \[R\frac{V}{1};\,\,\,1\,\,ohm=\frac{1\,volt}{1\,ampere}\]


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