The r.m.s. value of alternating current is how many times the peak value?
Understand the Problem
The question is about finding the relationship between the RMS value of an alternating current and its peak value. We are given a multiple-choice question stem and need to complete the statement.
Answer
The RMS value is $\frac{1}{\sqrt{2}}$ times the peak value.
The RMS value of alternating current is equal to $\frac{1}{\sqrt{2}}$ times the peak value.
Answer for screen readers
The RMS value of alternating current is equal to $\frac{1}{\sqrt{2}}$ times the peak value.
More Information
The RMS value is approximately 0.707 times the peak value.
Tips
It is important to remember whether you are trying to find the RMS value from the peak value, or the peak value from the RMS value, as this will change the equation.
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