Physical Science IEB Definitions

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7 Terms

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Magnetic field

A region in space where another magnet or ferromagnetic material will experience a force (non-contact)

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Electric field

A region in space in which an electric charge experiences a force 56

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Principle of Conservation of Charge

The net charge of an isolated system remains constant during any physical process

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Potential difference

Work done per unit positive charge

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Current

The rate of flow of charge

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Resistance

Material’s opposition to the flow of electric charge

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EMF

The total energy supplied per coulomb of charge by the cell