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    jennypoopoo Posts: 2, Reputation: 1
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    #1

    Mar 14, 2013, 06:09 PM
    math determine an expression for the total resistance if r1=2r2=6r3
    1/Rt=1/R1+1/R2+1/R3 where each is resistance in ohms
    1) determine an expression for the total resistance Rt
    2)determine an expression for the total resistance if R1=R2=R3
    3)Determine an expression for the total resistance if R1=2R2=6R3
    jennypoopoo's Avatar
    jennypoopoo Posts: 2, Reputation: 1
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    #2

    Mar 14, 2013, 06:16 PM
    I got 1/Rt=1/R1R2R3(R2R3+R1R3+R1R2)
    Rt=R1R2R3/(R2R3+R1R3+R1R2

    then I got lost
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