An AC source has a peak voltage of 240 V. Find its rms voltage.

Step-by-step solution

1. Use the relation $V_{\text{rms}}=\frac{V_{\text{peak}}}{\sqrt{2}}$.
2. Substitute $V_{\text{peak}}=240$ V.
3. $V_{\text{rms}}=\frac{240}{\sqrt{2}}\approx 170$ V.

Concept tested: RMS voltage conversion

Published 15 September 2026 · How this solution was prepared and checked