Mya Gilmore Chapter 四 ～ Electricity and Magnetism

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Across
  1. 2. Direct current charges flow in ___ direction.
  2. 3. Electric _____ may be direct current(DC) or alternating current(AC).
  3. 5. Electric _______ are materials that have tightly bound electrons.
  4. 7. What charge is the fundamental quantity that underlies all electric phenomena?
  5. 8. What type of materials are neither good conductors nor good insulators; their resistance can be varied?
  6. 9. What is used to visualize an electric field?
Down
  1. 1. Alternating current charges ______ in direction.
  2. 3. Electric ______ are materials that allow charged particles to pass through them easily.
  3. 4. Electric _____ can attract some objects and repel others.
  4. 6. What type of certain materials acquire infinite conductivity at temperatures near absolute zero?