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5 Written questions

5 Matching questions

  1. Semiconductor (resistance)
  2. A negatively charged object will move _______ along a field line
  3. Units for current
  4. Insulator (resistance)
  5. Electric charge
  1. a backward
  2. b medium resistance; resistance can be changed
  3. c Amperes (A)
  4. d very high resistance
  5. e comes from an imbalance of electrons and protons; causes things to attract or repel

5 Multiple choice questions

  1. A train that floats above a magnetic track; the tracks are superconductors
  2. current = charge/time
    I = q/t
  3. forward
  4. the capacity to do work
  5. Stronger at close distances, weaker at long distances

5 True/False questions

  1. Currentthe rate that electric charges move through a conductor


  2. Superconductor (resistance)medium resistance; resistance can be changed


  3. Semiconductorsconducts electricity and allows electrons to flow through it (metals, humans, water)


  4. Units for chargeAmperes (A)


  5. Field lines come out of...positive charges