physics

A 250-ohm resistor is connected in parallel with a 190-ohm resistor. What is their equivalent resistance?

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asked by elisabeth
  1. 1/Rt=1/250+1/190 Off hand, I am guessing 110 ohms

    doing the algebra,
    Rt=(250*190)/(250+190)=108ohms

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    posted by bobpursley

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