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The RMS value of any sine wave is Ampiltude/sqrt 2. It is independent of frequency.

So consider two sine wave generators, one generates at 50 Hz and the other one generates at 500Hz. Both have same amplitude A for volt wave and B for current wave. Consider same pure resistive load connected to both.

The power equation for both would be Vrms.Irms = AB/2.

Que1. Is this per wave cycle or per second ?

Que2. Is it correct that the 500Hz wave will deliver same energy as 50 Hz in 10 times

LESSER time per cycle??

Thanks in advance.