Teddy, Lesson on E and M, Electricity and Magnetism. You can't have one without having the other. Magnetic fields are a right angle to the direction the electrons are traveling.
One way to measure magnetic strength is with amp-turns. Double the turns of wire, and you double the magnetic strength. Same with doubling the amps, you double the magnetic strength.
According to Ohm's law, doubling the voltage in a DC circuit, you will also double the amps.
In theory, if you were to use a 6v starter on a 12v battery you will double the amps. According to the laws of physics, power is equal to volts times amps. Twice the voltage and twice the amps, you have 4 times the power.
My dad converted an old case tractor over to 12v and he used the old 6 v starter. We just had to bump the starter and the tractor was running.
When tractors are converted over to 12v, are the starters replaced with 12 v starters, or do some of you do like my dad? I don't ever recall replacing the 6v starter on the case.
Where did you come up with E=MC squared? E stands for energy, M is mass and C is the speed of light. This is high energy physics where you have fission or fusion and a loss of mass, not to make things more confusing :)
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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