Question

What is the peak value of AC 220 Volt?

• A. 220 V
• B. 311 V
• C. 320 V
• D. 440 V

Hint:

The peak value of an AC voltage is related to its RMS value by \( V_{\text{peak}} = \sqrt{2} \times V_{\text{RMS}} \).

Answer 1

The Correct Option is B

Step 1: Understanding the relationship between RMS and peak voltage.
The relationship between the RMS value and peak value \( V_{\text{peak}} \) of an AC voltage is given by the formula: \[ V_{\text{peak}} = \sqrt{2} \times V_{\text{RMS}} \] where \( V_{\text{RMS}} \) is the RMS (Root Mean Square) value.
Step 2: Substituting the given value.
For \( V_{\text{RMS}} = 220 \, \text{V} \), we get: \[ V_{\text{peak}} = \sqrt{2} \times 220 \approx 311 \, \text{V} \] Step 3: Conclusion.
Thus, the peak value of 220 V AC is \( 311 \, \text{V} \), corresponding to option (B).