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by firemant on January 13th, 2008

firemant

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The resistance of a circuit doubled and the applied voltage is doubled. What will happen to the circuit current?

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Answers. 3 helpful answers below.

  • by ChaiCustard on January 15th, 2008

    ChaiCustard

    Just do some simple math
    V = I x R, so
    I = V / R

    Hint:
    - if you multiply the top and bottom of a fraction by the same number, the value of the fraction doesnt change.
    - Doubling a number is the same as multiplying it by 2.

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  • by Old School on January 13th, 2008

    Old School

    Apply Ohm's Law: V = I x R

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  • by engineer is Terminator on July 15th, 2009

    engineer is Terminator

    It would remin the same accourding to Ohm's law.
    V=IR so I=V/R when the values of V and R are both doubled,they get cancelled out.Only doubling voltage would make current get doubled and only doubling the resistance would reduce it to half of it's original value.

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