The RMS voltage is given by:
$$V_{rms} = \frac{V_{max}}{\sqrt{2}}$$
Where $V_{max}$ is the maximum voltage. Plugging in the given values:
$$V_{rms} = \frac{241 \text{ V}}{\sqrt{2}} \approx 170.4 \text{ V}$$
Now, we can find the average power using the
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