current definition

Question

Electric current I is rate of flow of:

RankGuru · Accepted Answer

Electric current ($I$) is defined as the rate at which electric charge ($Q$) flows through a cross-section of a conductor:
$I = \frac{dQ}{dt}$
- The SI unit is the **Ampere (A)**, which is $1 	ext{ Coulomb/second}$.
- By convention, 'positive' current flows in the direction of positive charge flow, which is opposite to the direction of electron flow.

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current definition

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