Question

What is root mean square value ?

Answer 1

The RMS value is defined as the square root of the mean value of the squared function. This is often used as the effective d.c. voltage (or current) of an a.c. voltage (or current). This value can then be used in the calculation of the average power of an AC waveform.

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Answer 2

The RMS value is defined as the square root of the mean value of the squared function. This is often used as the effective d.c. voltage (or current) of an a.c. voltage (or current). This value can then be used in the calculation of the average power of an AC waveform.