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    Two resistors of R Ω and 20 Ω are connected in parallel to get an effective resistance of 15Ω. Find R.
    Question

    Two resistors of R Ω and 20 Ω are connected in parallel to get an effective resistance of 15Ω.
    Find R.

    A.

    60

    B.

    30

    C.

    40

    D.

    50

    Correct option is A



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