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Ohms Law

Discussion in 'Question of the Day' started by Grog12, Jul 24, 2007.

  1. Grog12

    Grog12 CBMod CB Mods Premium Member

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    When and how do you apply Ohms Law?
     
  2. Logos

    Logos Well-Known Member

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    High School Physics aaargh
     
  3. Van

    Van CBMod CB Mods Premium Member

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    When: at a picnic, when eating hot dogs.

    How: usually with a big serving fork or spoon.


    Oops sorry that was for Coles Law, not Ohms law.
     
  4. audioslavematt

    audioslavematt Active Member

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    Just about anything involving electricity as to how, what do we want to know/do?
     
  5. Charc

    Charc Well-Known Member

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    :rolleyes:
     
  6. Chris15

    Chris15 CBMod CB Mods Premium Member

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    Is this here Cole's Law named after any particular Mr. Cole? And what did poor old Murphy do to get left out of this?

    Ohm's Law... very very useful... usable with DC easily and AC without too much effort - substitute impedance for resistance and use RMS values for voltage & current. Ohm's law in it's base state of V=IR is useful, but add in P=VI and get the combinations of P=V2/R and P=I2R and it becomes much more useful for things like calculating load on speakers and in lighting systems, things which are somewhat useful in this industry...
     

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