Explain why RMS voltage value is more useful than the peak value. Show, by calculation, the peak voltage value if the effective voltage value in the UK is 230V.
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Expert's answer
2020-05-25T10:56:30-0400
The average time value of the power in the AC circuit is of practical importence "P=\\frac{RI_{peac}^2}{2}"
The same power is provided by the DC current "I_{RMS}=\\frac{I_{peac}}{\\sqrt2}"
If "I_{RMS}=230V" then "I_{peac}=I_{RMS}\\sqrt2\\approx324V"
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