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11 August, 07:22

The formula I=square root w/r gives the electric current I amperes that flows through an appliance, where W is the power in watts and R is the resistance in ohms. which set of numbers best describes the value of I for the given values of W and R? (42.) W=100, R=25 (43.) W=100, R=50

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  1. 11 August, 11:16
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    I believe the correct form of the given equation is:

    I = square root (W / R) - - - > where both W and R is inside the square root symbol

    where,

    I = the current

    W = the electric power

    R = resistance in ohms

    Now to solve for the value of I for each set, simply substitute the values of W and R into the equation, that is:

    when W=100, R=25

    I = square root (100 / 25)

    I = square root (4)

    I = 2

    when W=100, R=50

    I = square root (100 / 50)

    I = square root (2)

    I = 1.414
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