Electricity.

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Presentation transcript:

Electricity

An atmospheric discharge of electricity Lightning

-- Lightning +

Applications of Grounding Grounding strips on cars/trucks Grounding wires on workers who make computers, electronics Applications of Grounding

Difference between static and current? Electricity

Electric current: the movement or flow of electric charge (electrons) Current Electricity

We know that electrons can move. How can we get them to move? Current Electricity

Electrical Conductors Types of materials that are good conductors: metals salts graphite Electrical Conductors

a connection of electric components that an electric charge can flow along (a closed path) Electric Circuit

FLASHLIGHT

Parts of a circuit: Source Switch Conductor Load Electric Circuits

Circuit Example

Where electric current is generated Source

Control mechanism in circuit (ON / OFF) Switch

Item within the circuit that uses the electricity to do work Load

Material used in a circuit that allows the flow of electric current Conductor

Current Measured in the conductor of the circuit Current is measure in units called amperes Current

a measure of the amount of electric charge passing a point in a measure of time Ampere

Amount of charge in a circuit 1 C = 6.241 * 1018 electrons Coloumb (C)

How to calculate Current Current (A) = Charge (C) Time (s) How to calculate Current