Question

What is meant by electric current? Name and define the SI unit.

Answer 1

1. Definition: Electric current flows through a particular area of the cross-section in unit time.
2. The rate of flow of electrons throughout a conductor is electric current.
3. The electric current is denoted by “I”.
4. The SI unit of current is “$\mathrm{Ampere}\left(\mathrm{A}\right)$”.
5. Formula: $I=\frac{Q}{t}$. Here, I is current, Q is the amount of charge and t is the time.