A sinusoidal current has a peak value of 10 A. Which pair correctly gives its RMS value and its average value over the positive half-cycle?
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Question

A sinusoidal current has a peak value of 10 A. Which pair correctly gives its RMS value and its average value over the positive half-cycle?

G1 Physics · Accepted Answer

For a sine wave, Iᵣₘₛ = I₀/√2 = 10/√2 = 5√2 A, while I(avg, positive half-cycle) = 2I₀/π = 20/π A.