What is the SI unit of electric current?

Electric current has the unit ampere.

Electric current

Electric current is defined as the rate of flow of negative charges of the conductor. Since the charge is measured in coulombs and time in seconds, the electric current unit is coulomb/Sec ( C/s ) or amperes ( A ). The amperes is the SI unit of the conductor. The I is the symbolic representation of the current.

The magnitude of the flow of current at any section of the conductor is the rate of flow of electrons, i.e. charge flowing per second.

Mathematically, it is represented by

I = Q/t

  • The conventional direction of an electric current is the direction in which a positive charge would move. Henceforth, the current flowing in the external circuit is directed away from the positive terminal and toward the battery’s negative terminal.

Related terms

  1. Types Of Current
  2. Define Direct current and give some examples of it
  3. Electric Charge

 

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