Electric and magnetic forces

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Across
  1. 2. Circuit A circuit that provides two or more paths for electrical current to flow.
  2. 5. The positively charged particle of an atom.
  3. 7. pole region on a magnet where the magnetic force exerted by a magnet is strongest; like poles repel and opposite poles attract
  4. 8. Current The net movement of electric charges in a single direction, measured in amperes (A).
  5. 10. the flow of electrical power or charge
  6. 11. Current (AC) electric current that reverses its direction of flow in a regular pattern.
  7. 15. An object which is capable of producing magnetic field and attracting unlike poles and repelling like poles
  8. 16. properties and interactions of magnets.
  9. 17. closed loop through which an electric current can flow
  10. 18. material, such as copper wire, in which electrons can move easily.
  11. 20. tendency for a material to oppose electron flow and change electrical energy into thermal energy and light; measured in ohms (O). Caused by internal friction
Down
  1. 1. field surrounds a magnet and exerts a force on other magnets and objects made of magnetic materials.
  2. 3. difference related to the force that causes electric charges to flow; measured in volts (V).
  3. 4. the push or pull on an object with mass causes it to change its velocity
  4. 6. The negatively charged particle of an atom
  5. 9. how far is something
  6. 12. material in which electrons are not able to move easily.
  7. 13. current (DC) electric current that flows in only one direction.
  8. 14. A device that uses electromagnetic induction to convert mechanical energy to electrical energy
  9. 15. a dimensionless quantity representing the amount of matter in a particle or object.
  10. 19. law states that the current in a circuit equals the voltage difference divided by the resistance.