The peak voltage in a `220 V AC` source is

Options

A. 220V
B. about 160V
C. about 310V
D. 440V

Explanation

To find the peak voltage from a given AC source voltage, we can use the relationship between the root mean square (RMS) voltage and the peak voltage. Here’s the step-by-step solution:

### Step 1: Understand the relationship between RMS and peak voltage
The peak voltage (V_peak) can be calculated from the RMS voltage (V_rms) using the formula:
\[ V_{peak} = V_{rms} \times \sqrt{2} \]

### Step 2: Identify the given RMS voltage
In this problem, the RMS voltage provided is:
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