Physics

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Across
  1. 2. the light source is a fine electrical conductor heated by the passage of current
  2. 5. a surface or shape exposed by making a straight cut through something
  3. 6. opposite direction,order,position or effect
  4. 7. a measure of the opposition to current flow in an electrical circuit
Down
  1. 1. A resistor that follows ohms law
  2. 3. Force going through a wire
  3. 4. An electric force measured in volts