R. Measures wrote:
>
> On Mar 22, 2005, at 12:25 PM, Gary Schafer wrote:
>
>> If what you say was true then there would never be any power into our
>> transmission lines.
>>
>> Average power is not zero simply because there is no negative power.
>>
>> There is only RMS voltage and RMS current. No RMS power.
>
>
> My sis-in-law's electric water heater uses 240V-rms at c. 30A-rms. If
> there is no RMS power, why does the water get hot?
>
The water heater gets hot with 7200 watts average power.
73
Gary K4FMX
>>
>> Peak voltage is 1.414 times RMS voltage. Those conversions don't work
>> with power.
>>
>> 73
>> Gary K4FMX
> Richard L. Measures, AG6K, 805.386.3734. www.somis.org
>
>
>
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