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5 Written questions

5 Matching questions

  1. Current Formula
  2. Field lines point to...
  3. Electric force
  4. Electrons
  5. Maglev
  1. a A train that floats above a magnetic track; the tracks are superconductors
  2. b the force caused by electric charge; opposites attract and like charges repel
  3. c negative charge carriers; the flow of electrons is what causes current
  4. d negative charges
  5. e current = charge/time
    I = q/t

5 Multiple choice questions

  1. zero resistance
  2. Stronger at close distances, weaker at long distances
  3. backward
  4. all mass is attracted to all mass; height represents potential energy
  5. insulators in their natural state, but can be manipulated so that sometimes they conduct, and sometimes they don't

5 True/False questions

  1. Rule for drawing field linesthe force caused by electric charge; opposites attract and like charges repel

          

  2. Resistance unitsV = IR
    Voltage (electric potential) =
    Current x Resistance

          

  3. Insulatordo not conduct electricity (rubber, plastic, air, non-metals

          

  4. Semiconductor (resistance)medium resistance

          

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

          

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