Solved Examples on Electric Current Formula. Electric Current I Charge Q Time t Since the charge is measured in coulombs time in seconds the unit of electric current becomes coulombssec. I represents the electric current intensity expressed in Amps A.
Siemens per meter Sm Electricity Formulas are applied in calculating the unknown electrical parameters from the known in electric circuits.
One ampere is equal to a flow of one coulomb of charge per second. Ohms law relates the current flowing through a conductor to the voltage V and resistance R. The electrical conductivity of a material is the measurement of the ability of the material to allow for the flow of electrical current. That is V IR.