P5: Electric circuits

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Across
  1. 1. A tye of electric charge that builds up on an object
  2. 5. A type of current that changes many times a second
  3. 6. A component whose resistance decreases when its temperature increases.
  4. 8. How difficult it is for the current to pass through a component
  5. 9. Unit of resistance
  6. 11. Also known as potential difference
  7. 13. A flow of electrical charge
  8. 14. A source of electrical energy needed to make a charge move around a circuit.
Down
  1. 2. A devide used to change the voltage of an alternating current with the use of two coils
  2. 3. When the north and south pole of a magnet come into contact.
  3. 4. The unit of power
  4. 7. A type of circuit where the current has more than one way to travel around it
  5. 10. Cause a current in a wire
  6. 12. The unit of electric current
  7. 15. The short hand for a resistor that increases as the intensity of light does.