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Physics

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Three resistors 2.5 Ù, 3.5 Ù and 4 Ù are connected in parallel. What is the equivalent resistance?

I know you must use

1/Req = 1/R1 + 1/R2 + 1/R3

But then I get .935 and I don't think that's correct. What am I missing?
Thanks

  • Physics -

    1/R = 1/2.5 +1/3.5 +1/4 =
    =0.4+0.2857 +0.25 =0.9357

    R=1/0.9357 =1.069 Ohm

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