Posted by teddy52food on April 26, 2011 at 17:37:36 from (68.169.216.43):
In Reply to: Re: OT electrical ?? posted by John T on April 26, 2011 at 13:48:40:
This is where you have been falsely taught. Compare electricity with water, where flow is amps or gallons per minute and voltage is pressure psi. Take a garden hose & punch a small hole in it. This would represent the magnetic field coming out of the wire. Turn the water on and you will have a good flow (amps) out of the end of the hose with low pressure with very little coming out of the punched hole. Then as you close up the end of the hose , pressure will get higher and the stream ( magnetic field) will get greater also. But the flow is reduced. At least that is how I see it. When you use a 12 volt battery to boost a 6 volt system the starter spins the tractor engine faster than it does on 6 volts and the amps will be less with the 12 volt imput. Watch your meters when a battery gets low. When the voltage drops, the starter turns slower yet the amps will rise on each compression stroke. The amps create heat . The voltage creates the magnetic field.
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