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Law Of Universal Gravitation States that the force of gravity acts between all objects in the universe.
Mass A measure of the amount of matter in an abject.
Newton┬┤s First Law Of Motion States that an object at rest will stay at rest and an object in motion will stay in motion unless an unbalanced force acts on the object.
Electric Current The rate at which charges pass through a given point; measured in amperes.
Potential Difference The difference in potential energy between 2 location.
Voltage The potential difference between 2 points; measured in volts.
Insulator A material that does not conduct heat of electrical energy well; often used to prevent energy from leaving a particular area.
Circuit A closed path through which electricity can flow.
Load A device in a circuit that does work using electrical energy.
Conductor A material that allows heat or electrical energy to flow through out it easily
Resistor An object added to a circuit that restricts the flow of electrical energy; inhibits the flow of electric current by producing a voltage drop when current passes through it.
Switch A device used to control the flow of current through a circuit.
Series Circuit A circuit in which the parts are joined one after another such that the current in each part is the same.
Parallel Circuit A circuit in which the parts are joined in branches such that the potential difference across each part is the same.
Magnetic Force The force of attraction of repulsion generated by moving or spinning electric charges.
Magnaetic Field Area surrounding a magnet in which the magnetic force exist.
Electromagnetism The Interaction between electricity and magnetism.
Electromagnet A coil that has a soft iron core and that acts as a magnet when an electric current is in the coil.
Electric Motor A device that converts electrical energy into mechanical energy.
Generator A device that transforms mechanical energy into electrical energy.
Created by: 56mahjon



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