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5 Written questions

5 Matching questions

  1. Rule for drawing field lines
  2. Electric force and distance
  3. Superconductor (resistance)
  4. Insulator
  5. A positively charged object will move _______ along a field line
  1. a forward
  2. b zero resistance
  3. c they NEVER cross
  4. d Stronger at close distances, weaker at long distances
  5. e do not conduct electricity (rubber, plastic, air, non-metals

5 Multiple choice questions

  1. low resistance
  2. the force caused by electric charge; opposites attract and like charges repel
  3. all mass is attracted to all mass; height represents potential energy
  4. V = IR
    Voltage (electric potential) =
    Current x Resistance
  5. the capacity to do work

5 True/False questions

  1. Electric chargecomes from an imbalance of electrons and protons; causes things to attract or repel


  2. CurrentA train that floats above a magnetic track; the tracks are superconductors


  3. Units for chargeCoulomb (C)


  4. Insulator (resistance)very high resistance


  5. When charges are stronger... (what do we do with field lines?)they NEVER cross