Circuit Symbols

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Across
  1. 3. used to measure the current
  2. 4. this will make the current smaller
  3. 6. can turn the circuit off and on
  4. 7. a light dependent resistor
  5. 11. used to measure the voltage
  6. 12. the source of energy in a circuit
  7. 13. more than one cell
Down
  1. 1. can be used to vary the current
  2. 2. the unit of current
  3. 5. the unit of resistance (what it is measured in)
  4. 8. this only lets current flow one way
  5. 9. lights up
  6. 10. a very small light bulb made from a diode