The voltage of domestic AC is 220,V. What doe | vedclass

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(D) In an alternating current $(AC)$ circuit,the voltage provided for domestic use is specified as $220\,V$. This value represents the Root Mean Squar

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Root mean square voltage

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(D) In an alternating current $(AC)$ circuit,the voltage provided for domestic use is specified as $220\,V$. This value represents the Root Mean Square $(RMS)$ voltage of the supply. The $RMS$ value is defined as the square root of the mean of the squares of the instantaneous voltages over one complete cycle. It is the equivalent $DC$ voltage that would produce the same amount of heat in a resistor as the $AC$ voltage.

The voltage of domestic $AC$ is $220\,V$. What does this represent?

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