Glossary terms unit 4 ch.2

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  1. Electric Circuit
    A measure of the number of the charged particles that pass by a point in an electric circuit each second
  2. Voltaic Cell
    As source of energy that generates an electric current by chemical reactions involving 2 different metals or metal compounds separated by a conducting solution
  3. Battery
    A connection of 2 or more cells
  4. Electrode
    One of 2 metal terminals in a cellar battery
  5. Electrolyte
    A solution or paste that conducts charge
  6. Dry Cell
    A cell that contains an electrolyte made of 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 electrical energy
  12. Terminal
    A position on a cell that must be connected to other components to form a circuit
  13. Switch
    A control device that can complete or break the circuit to which it is connected
  14. Open Circuits
    A circuit that contains a gap or break
  15. Electric Current
    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, and light
  21. Potential difference (voltage)
    The difference between the electric potential energy per unit of charge at 2 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 a 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
  28. Super Conductor
    A material through which electric charge can flow with no resistance
  29. Non-ohmic
    Not following Ohm's law
  30. Loads in Series
    Image Upload 1
  31. Loads in Parallel
    Image Upload 2
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Glossary terms unit 4 ch.2
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