Ohms Law

Grog12

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Denver, CO
When and how do you apply Ohms Law?
 

Van

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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.
 

Chris15

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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...