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Electric Current and Charge
Electric current is the rate of flow of electric charge.
In a conventional circuit this is the flow of electrons
Positive and negative ions can also move, like in electrolysis
By convention we say that current goes from the positive to negative terminals of a cell - in fact the negative electrons move in the other direction.
Current: Example A
This example looks at the charge transferred by a toaster when it's used to toast bread.
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