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Electricity and Magnetism

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Average Value of Alternating Current

EANDM-9Y@VUJ

An alternating current is flowing in a wire according to the equation $I=I_0 sin(2\pi f t)$.

What is the average value of the current, $I_{av}$ over a complete cycle of oscillation?

A

$I_{av}=2 \pi$

B

$I_{av}=1$

C

$I_{av}=\pi$

D

$I_{av}=0$