H2P-363

Sinusoidal alternating current

H2 Physics · JC 2 · Hard · Sinusoidal alternating current

A sinusoidal alternating current is given by

I = 3.0\sin(120t)

, where

I

is in amperes and

t

in seconds. Using the standard form

I = I_{0}\sin(\omega t)

, determine the peak current and the frequency of the supply.

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