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acemv

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- Thread starter acemv
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acemv

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sheldon

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acemv

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Originally posted by sheldon

I did receive a some what basic education on electricity in high school, but it was a class in the 9th grade. I forget most, if not all of the items I was taught.

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sheldon

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black brown red orange yellow green blue violet grey white

0,1,2,3,4,5,6,7,8,9

so let's say you have a resistor with the first band orange so it equals 3 then the second band is black so it is 0 then the third band is the multiplier and its color is red you would have a 3000 ohm resistor. 3 orange 0 black and red two zeros 3K.

next is to understand how resistors relate to electricity. You probably already know they restrict the flow of electrons like a water sink valve that is half way on, only so much water can flow.

here is a simple way to look at it all. If you have a bucket that is half filled with water and a tap on the bottom. The level of the water is your voltage the tap is your resistor and the speed of the water coming out of the tap is your current. When you change these they change each other. ohms law is V divided by I=R where V is voltage and I is current and R is resistance. So IxR=V and V/R=I. let's do one, you have a circuit that has 10 volts and a 100 ohm resistor what is the current?

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