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5 Written questions

5 Matching questions

  1. Insulator (resistance)
  2. Superconductor (resistance)
  3. Electrons
  4. Units for charge
  5. Resistance
  1. a zero resistance
  2. b very high resistance
  3. c Coulomb (C)
  4. d negative charge carriers; the flow of electrons is what causes current
  5. e is caused by internal friction that slows down the movement of charge through a conductor

5 Multiple choice questions

  1. A train that floats above a magnetic track; the tracks are superconductors
  2. V = IR
    Voltage (electric potential) =
    Current x Resistance
  3. Stronger at close distances, weaker at long distances
  4. current = charge/time
    I = q/t
  5. the force caused by electric charge; opposites attract and like charges repel

5 True/False questions

  1. A positively charged object will move _______ along a field lineforward


  2. Semiconductors on the periodic tablemedium resistance


  3. Gravityall mass is attracted to all mass; height represents potential energy


  4. Resistance unitsOhms (Ω say "omega")


  5. Conductor (resistance)low resistance


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