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

Posted by greenbeanman on January 22, 2004 at 11:09:14 from (171.75.205.171):

In Reply to: Re: Re: Re: Difference between volts and amps ??? posted by John K on January 22, 2004 at 06:37:24:

Using water as a referance, voltage equals pressure and amps equals flow or gallons per minute.

To take that one step further---watts are like the gallons, i.e. the total amount of flow that is caught in a bucket or used.

If anyone is interested in solar--if you have 10 100 watt light bulbs burning for one hour you have consumed 1000 watts or one kilowatt hour.

Using the formula volts X amps = watts (times length of time for watt hours), you can arrive at how many amps you need whether you are using 110 volts or 12 volts. The wattage is what you figure from. Of course you also have to factor in some energy loss as not much of anything is 100% efficient.

For solar needs, convert the amps to watts, figure how long each item will be turned on, then figure total watt hour requirement. From there you figure how many solar panels you will need to catch the watts over the length of day you have.

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