electricity

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Across
  1. 3. the net amount of charge Passing through a cross-sectional area in unit time
  2. 5. A type of material which is related to the ........... of material
  3. 6. A component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.
  4. 7. ... is the unit of resistance
  5. 8. The unit of current is ...
  6. 9. An instrument used to measure electrical potential difference between two points in an electric circuit.
Down
  1. 1. The direction of current is assumed to be the direction of moving positive charges.
  2. 2. An instrument used to measure the electric current in a circuit.
  3. 4. ..... is a measure of the opposition to the flow of current in an electrical circuit
  4. 5. A resistor whose resistance can be varied.