Movement of electrical charges
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Electric current is simply the flow of free electrons in a conductor. It is usually defined as the rate of charge flow, because the free electrons represent an electric charge.
An electric current (symbol: I) is a very slow drift of charge carriers (electrons, in metallic conductors), and is measured in amperes (symbol: A). An ampere is defined in terms of the 'magnetic effect' of an electric current, that is the force of attraction or repulsion between two, parallel, conductors due to the interaction of their magnetic fields. An instrument used to measure electric current is called an 'ammeter'.
An Electric PathA complete path for an electric current to follow is called a closed circuit. Ampere is the SI unit for measuring an electric current.
Voltage causes current to flow in an electric circuit.
A break in the wires of an electric current will break or cut the circuit and stop the current from flowing.