1. Electric Circuit
    The flow of electrons
  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 solution that is a conductor
    • A voltaic cell is an electrochemical cell that uses a chemical reaction to produce electrical energ
  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 that is 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 electrical energy
  12. Terminal
    Location 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 Circuit
    A circuit that contains a gap or break
  15. Electric current
    The rate of movement of electric charge
  16. Coulomb (C)
    The quantity of charge that is equal to the charge of 6.25 x 10 to the exponent of 18 electrons
  17. Ampere (A)
    The unit of electric current, equivalent to one coulomb per second
  18. Electrical Resistance
    The property of a substance that holds up 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
    • the difference of electrical potential between two points.
  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 through which electric charge can flow with no resistance
  29. Non-ohmic
    Not following ohm's law
Card Set