Electric current is the flow of electric charge. The SI unit of electric current intensity is the ampere. Electric current is measured using an ammeter.
The electric charge may be either electrons or ions.
Electricity travels through a circuit... The circuit conisists of many conductors and compartments (The conductors are usually magnetic or carbon...). If you turn your circuit on, The Battery will start releasing electricity through the circuit...
It really depends which way you have your diodes (If u have any in ur circuit) because there is Autonated Current and Direct Current....
Water and metal are some of the best conductors for electricity. Because your body is mostly water, you are a great conductor, too! So if you touch an electric circuit and the ground at the same time, you will become electricity’s easiest path. Electricity will flow through you, and you could be seriously hurt or killed.
You don’t have to be touching the ground directly to conduct electricity. You could also be touching something that is in contact with the ground, like a tree or a ladder.
Electricity is always trying to get to the ground. Like all good travellers, electricity takes shortcuts whenever it can. If something that conducts electricity gives electricity an easy path to the ground, electricity will take it!
http://wiki.answers.com/Q/How_does_electricity_travel
http://en.wikipedia.org/wiki/Electric_current
http://www.safeelectricity.org/esw_v1_1/hurt/travel_through.html
http://www.safeelectricity.org/esw_v1_1/hurt/path_to_ground.html
http://www.aciltasman.com.au/images/electricity_orig.gif
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