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Root Mean Square Speed

If the peak v...

Question

If the peak value of an A.C. source is $4.24 A$ , what is its root mean square value?

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Solution

$I_{r m s} = \frac{i_{m}}{\sqrt{2}} = \frac{4.24}{i_{m}} = 2.9981 A O R I_{r m s} = 0.707 i_{m} = 0.707 \times 4.24 = 2.9976 A$

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