PHYSICS PLZ HELP!!!

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What is the minimum number of 70 -Ohms resistors that must be connected in parallel to produce an equivalent resistance of 13 Ohms or less?

  • PHYSICS PLZ HELP!!! -

    1/13>=k/70

    70=>13k
    k>70/13
    k>6

  • PHYSICS PLZ HELP!!! -

    If you have a curcuit consisting of 4 resistor of egual resistance senses and toltal voltage across all of them is 17v .what is the voltage across each of them?

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