1.

Define electric current. Write its formula and unit.

Answer»

1. The magnitude of an electric current is the amount of electric charges flowing through a conductor in one second.

Electric current = \(\frac{Amount\, of \, electric charges (Q)}{time (t)}\)

I = \(\frac{Q}{t}\)

2. SI unit of electric current is 'ampere' and it is denoted as A.



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