Electricity Glossary Terms Chapter 11

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dahmm8012
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288155
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Electricity Glossary Terms Chapter 11
Updated:
2014-11-04 20:21:17
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Science Electricity
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  1. Electric Circuit
    A closed path in which electrons powered by an energy source can flow.
  2. Voltaic Cell
    A source of energy that generates an electric current by chemical reactions involving two different metals or metal compounds separated by a conducting solution.
  3. Battery
    A connection of two or more cells.
  4. Electrode
    One of two metal terminals in a cell or battery.
  5. Electrolyte
    A solution or paste that conducts charge.
  6. Dry Cell
    A cell that contains an electrolyte made of a paste.
  7. Wet Cell
    A cell that contains a liquid electrolyte.
  8. Primary Cell
    A cell that can be used only once.
  9. Secondary Cell
    A cell that can be recharged.
  10. Fuel Cell
    A cell that generates electricity through the chemical reactions of fuel that is stored outside the cell.
  11. Solar Cell
    A cell that converts sunlight into solar energy.
  12. Terminal
    A position on a cell that must be connected to other compounds to form a circuit.
  13. Switch
    A control device that can complete or break the circuit to which it is connected.
  14. Open Circuit
    A circuit that contains a gap or break.
  15. Electric Circuit
    A closed path along which electrons that are powered by an energy source can flow.
  16. Coulomb (C)
    The quantity of charge that is equal to the charge of 6.25 x 1018 electrons.
  17. Ampere (A)
    The unit of electric current, equivalent to one coulomb per second.
  18. Electrical Resistance
    The property of a substance that hinders electric current and converts electrical energy to other forms of energy.
  19. Resistor
    A device used in an electric circuit to decrease the current through a component by a specific amount.
  20. Load
    A resistor or any other device that transforms electrical energy into heat, motion, sound, or light.
  21. Potential Difference (Voltage)
    The difference between the electric potential energy per unit of charge at two points in a circuit.
  22. Volt
    The unit for potential difference, equivalent to one joule (J) per coulomb (C).
  23. Circuit Diagram
    A diagram that uses standard symbols to represent the components in an electric circuit and their connections.
  24. Series Circuit
    A circuit in which there is only one path along which electrons can flow.
  25. Parallel Circuit
    A circuit in which there is more than one path along which electrons can flow.
  26. Ohm's Law
    The ratio of potential difference to current is a constant called resistance.
  27. Ohm (Ω)
    The unit for resistance, equivalent to one volt per ampere (V/A)
  28. Superconductor
    A material in which electric can flow with no resistance.
  29. Non-Ohmic
    Not following Ohm's law.
  30. Loads in Parallel

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