## anonymous one year ago What is current

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The movement of charge.

2. UnkleRhaukus

$$I$$ or $$i(t)$$ is used to represent the $$\it{i}$$ntensity of an electric current. The SI unit of current is the ampere: $$[\text A]$$, equal to a coulomb (unit of charge) per second: $$[\text C/\text s]$$. The current is rate at which a (positive) charge $$q$$ is moving: $\qquad I=\frac{dq}{dt}$