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Originally Posted by created2destroy
I was just stating that just because a pipe is smaller doesn't mean it can't flow as much, just takes more pressure. I realize that if pressure is not a variable then yes a bigger pipe flows more. This has nothing to do with what we are talking about and is off topic.
I said nothing about using smaller wire, I was just stating that using a fuse will have a very very small resistance.
You are incorrect, we are talking about pressure. Electrical pressure is called voltage. The problem you are having when lights dim is caused by a voltage drop. If you don't believe me watch your voltage gauge. Now lets think about a fuse as a restrictive tube. 12volts(actually around 14) is how much pressure is constantly in the tube. If the fuse is rated at 200amps this is like the amount of water that can flow through a tube at 12volts. Any more flow or pressure will burst the tube, or melt the fuse.
With electricity any energy that is lost due to resistance is transformed into heat. Yes a fuse will have some resistance and put out some heat, but since its so small there will be very little heat.
I have an experiment for you similar to your gas sucking ways. Find a long piece of tubing, preferably something very small(<1/4"). Cut two pieces, one about 1/2" long and the other several feet. Try to blow through both of them. Which one is easier to blow through?
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Give this man an A-Plus. Everyone listen to this man he is right. this is the first thing your lean when your an electrician. Elec 101. I could have not made the statment better and I was an electrician.