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5 Written questions

5 Matching questions

  1. Current Formula
  2. Maglev
  3. Electric force and distance
  4. Electric potential
  5. Electric force
  1. a the force caused by electric charge; opposites attract and like charges repel
  2. b current = charge/time
    I = q/t
  3. c A train that floats above a magnetic track; the tracks are superconductors
  4. d Stronger at close distances, weaker at long distances
  5. e The potential energy caused when electric charges have the chance to make an electric force; also called VOLTAGE

5 Multiple choice questions

  1. comes from an imbalance of electrons and protons; causes things to attract or repel
  2. backward
  3. all mass is attracted to all mass; height represents potential energy
  4. Amperes (A)
  5. the difference in electrical potential energy between two places in a circuit; tells you which way charges want to move and how badly (like a map of where charges want to go)

5 True/False questions

  1. Currentthe rate that electric charges move through a conductor

          

  2. Units for chargeAmperes (A)

          

  3. Semiconductors on the periodic tablemedium resistance; resistance can be changed

          

  4. Field lines point to...positive charges

          

  5. Conductor (resistance)medium resistance; resistance can be changed