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Discussion in 'Question of the Day' started by Grog12, Jul 24, 2007.
When and how do you apply Ohms Law?
How: usually with a big serving fork or spoon.
Oops sorry that was for Coles Law, not Ohms law.
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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