Question:
The peak factor of a sinusoidal alternating current is
The peak factor of a sinusoidal alternating current is
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For sinusoidal AC, peak factor is \(\sqrt2=1.414\).
Updated On: May 27, 2026
- \(1.11\)
- \(1.414\)
- \(0.707\)
- \(0.637\)
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The Correct Option is B
Solution and Explanation
Concept:
Peak factor is defined as:
\[
\text{Peak factor}=\frac{\text{Maximum value}}{\text{RMS value}}
\]
Step 1: For sinusoidal AC: \[ I_{\text{rms}}=\frac{I_m}{\sqrt2} \]
Step 2: Peak factor: \[ \frac{I_m}{I_m/\sqrt2} \] \[ =\sqrt2 \] \[ =1.414 \] Therefore: \[ \boxed{1.414} \]
Step 1: For sinusoidal AC: \[ I_{\text{rms}}=\frac{I_m}{\sqrt2} \]
Step 2: Peak factor: \[ \frac{I_m}{I_m/\sqrt2} \] \[ =\sqrt2 \] \[ =1.414 \] Therefore: \[ \boxed{1.414} \]
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