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10th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    A wire of resistance R is cut into five equal parts. These five parts are then connected in parallel, if the equivalent resistance of this combination be \[{{R}_{1}},\] then calculate the ratio\[R/{{R}_{1}}\].

    A) 5

    B) 1

    C) 25

    D)  7

    E)  None of these

    Correct Answer: C

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