Chapter 11 Glossary terms

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Chapter 11 Glossary terms
2014-04-07 16:01:01
glossary terms chapter 11 ms day

chapter 11 glossary terms
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  1. electric circuit
    a closed path along which electrons that are powered by a source can flow
  2. Voltaic cell
    A source of energy that creates electricity by chemical reactions involving two different conductors separated by a conducting solution called electrolyte
  3. Battery
    A group of cells put together to power a circuit
  4. Electrode
    one of 2 metal terminals in a cell or battery
  5. Electrolyte
    a solution or paste that conducts a charge
  6. Dry Cell
    A cell containing electrolyte in paste form
  7. wet cell
    a cell that contains electrolyte in liquid form
  8. Primary Cell
    a cell that can only be used once
  9. Secondary Cell
    A cell that can be recharged once its energy is depleated
  10. Fuel Cell
    A cell that stores its fuel outside the cell
  11. Solar cell
    a cell that converts sunlight into electrical energy
  12. Terminal
    The metal at the ends of a battery or cell, one end positive the other end negative
  13. Switch
    A part of a circuit that can be opened to break the connection in a wire
  14. Open circuit
    a circuit that has a break or gap
  15. Electric Current
    a measerment of the number of electrons that pass by a given point in a circuit in a second
  16. coulomb (C)
    A quantity of charge equal to 6.25x10^18 electrons
  17. Ampere (A)
    A unit of electric current equal to 1 coulomb per second
  18. Electrical Resistance
    property of substance that hinders current and transforms it to other kinds of energy
  19. Resistor
    A device placed in a circuit to reduce the current to a specific amount
  20. Load
    an object anywhere in the circuit that turns the electrical energy into other types of energy
  21. Potential Difference
    The difference between the electrical potential energy per 2 points in a circuit
  22. Volt
    A unit of measurement of potential difference. One joule of energy per coulombe
  23. Circuit Diagram
    A diagram that uses standard symbols to represent components of a circuit
  24. Series circuit
    A circuit with only one path electrons can take
  25. Parallel Circuit
    a circuit where there is more than one path electrons can flow along
  26. Ohms law
    the ratio of potential difference to cuurent is called resistance
  27. ohm (Ω)
    The unit of measurement for resistance equal to one volt per ampere
  28. Superconductor
    A material that electrons can flow throu8gh without resistance
  29. non-ohmic
    not following ohms law
  30. Loads in series
    where current flows through multiple loads
  31. Loads in parallel
    Where current can flow through either one load or another