Re: Re: Difference between volts and amps ???

Posted by greenbeanman on January 22, 2004 at 14:27:23 from (171.75.202.170):

In Reply to: Re: Difference between volts and amps ??? posted by Benj. J. Joe Browning on January 22, 2004 at 12:09:58:

Ben and others are correct that it is easiest to compare it to water.

Volts are similar to water pressure, i.e. more push. The higher the water tower or the higher the pressure a pump is putting out the more push. Same with higher voltages, more forceful. Fire hose vs. garden hose, more forceful.

Amps are compared to the flow of the water. Think of your ampmeter as being similar to the water meter in a water system.

A 12 volt system has more push, so we use smaller lines than a 6 volt system to deliver the same product. Kind of like a 1" water line using high pressure vs. a 4" water line using very low pressure. They can both deliver the same about of product, one more cost effectively due to smaller lines. Think high voltage lines vs. farmstead lines.

Then end product is watts or a bucket full of water. Neither of which we are really concerned about unless we are thinking of replacing what is in the battery or water tower. Then we have to consider lighting, starting, AC blower and clutch usage, etc. Then we have to consider how big of an alternator we need, or how big of a pump if considering it like water.

Volts multiplied by amps gives usage, i.e. watts.
Watts divided by volts gives how many amps were used.
Watts divided by amps shows how much push there was, i.e. volts.

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