Electric Potential Energy and Voltage

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Physics

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14 Terms

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Voltmeter

- device that measures the amount of potential difference between two locations of charge separation.

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Wet cell

- electrolytes that take form in fluid.

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Thermocouples

- consists of a loop of two wires of different metals joined at both ends, if one end is heated or cooled, charge is separated, and potential difference /voltage is created.

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Electrode

- two terminals of a battery.

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Terminal

- end points of a battery where connection is made.

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Friction

- rubbing two materials together, work done by rubbing is converted into electrical energy stored into the separate charge.

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Chemical energy

separates the positive and negative charges in a battery.

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Piezoelectric crystals

- when collided against, positive and negative charges are separated on either side of crystal.

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Acceleration

- increased rate or speed of something.

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Potential Energy

- energy stored within an object (measured in joules)

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Potential Difference

- amount of electric potential energy per one coulomb of charge.

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Electrochemical Cell

- cell that converts chemical energy into electrical energy stored in charges (typically called cells or batteries)

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Electric Potential Energy

- electrical energy stored within a battery.

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Energy that charge possesses

is dependent on amount of charge and potential difference /voltage.