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1.2 Current Electricity

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by

Abbi Easton

on 4 June 2014

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Transcript of 1.2 Current Electricity

Current Electricity
Electrical Energy
Electrical Energy is the energy carried by a charge particle...
Iron
Aluminum
Copper
Insulators
Circuits
Conductors
The buildup of non moving electric charge
Flows suddenly as static discharge
Let's Review
Static Electricity
Some materials are good conductors because of how the electrons are arranged in their atoms
Their electrons are not held on tightly to their atoms
Current Electricity
Electricity Does Not Travel Through Insulators
Insulators have tightly bound electrons, so they do not conduct electricity well
Continuous flow of electric charge
Transmitted only through conductors like copper, iron, and aluminum
Requires a complete
circuit
and can not be disrupted
Requires a source of energy
Amperes
-The rate at which current flows is measured in Amperes (Amps)
-In order for current to flow it needs to move through a conductor
In most circuits the path that electricity flows on is made up wires, sometimes however the path is made up of gases, fluids or other substances
Load
the load is a device to convert electrical energy to another form of energy, for example a light bulb:
Voltage
Voltage is the measure of how much energy is carried by a charged particle.
It is measured using a voltmeter.
“Would the current reading change if the ammeter was moved to the other
side of the light?”

No!
As long as the switch is closed the current should be consistent throughout the circuit.

The Difference Between Current (Amps) and Voltage
Current is the movement of electrons



Voltage is what makes the electrons move (the pressure)

Current electricity has to be transmitted from one spot to another, this is where conductors and insuators come into play.
Full transcript