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A measure of the rate at which electric charge is transported (especially through a circuit), it has units of charge/time.

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How the current flows in a circuit?

Only electron move in a circuit,not the protons. This is because protons are binded within the nucleus but the electrons are free to move around due to potential differences. However, if the protons …
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7 votes

Does current run forever in water? (assuming the supply voltage is there forever)

Fist of all, saying that there is one hydrogen ion for $10^6$ ions of water is is the negative of log of concentration of hydrogen ions. pH 6 means that there is $10^{-6}$ moles of hydrogen i …
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