Electricity Symbols and Circuits

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Across
  1. 1. _______ resistors are used to control current in a circuit
  2. 5. Voltmeters must be connected in ____
  3. 8. Used to measure amps
  4. 9. Safety feature, melts if current gets too high
  5. 10. Unit for charge
  6. 12. Unit for time
  7. 13. In a series circuit the current stays the _____
  8. 14. Limits the flow of charge
  9. 16. Used to turn circuits on and off
  10. 17. In a parallel circuit the potential difference is the ____ across components
  11. 22. Light ____ resistor are used in streetlamps
  12. 24. Use of a thermistor
  13. 26. In a parallel circuit the resistance is ____ than the smallest individual resistance
  14. 27. Light _____ diode are also known as LEDs
  15. 30. Component that allows current to flow in one direction only
  16. 31. In a series circuit the resistance is the ____ of the individual resistances of each component
  17. 32. In a parallel circuit the potential difference is ____ on each branch
Down
  1. 2. As the length of a wire increases the resistance _____
  2. 3. Resistance depends on temperature
  3. 4. As the light intensity increases the resistance of an LDR _____
  4. 6. As the temperature of a thermistor decreases the resistance ____
  5. 7. Power source of a circuit
  6. 11. Used to measure potential difference
  7. 15. In a series circuit the potential difference is _____ across components
  8. 18. Unit for current
  9. 19. Lots of cells put together
  10. 20. Unit for potential difference
  11. 21. Ammeters must be connected in _____
  12. 23. Subatomic particle that moves around a circuit
  13. 25. Light up when current goes through it
  14. 28. Circuits must not have ____
  15. 29. Unit for resistance