Across
- 3. the unit of current
- 5. a material that does not allow current to flow
- 8. measured in ohms
- 11. the unit of charge
- 12. This shape represents a fixed resistor in a circuit diagram
- 14. turns a circuit on and off
- 16. the metal most commonly used in wires
- 17. equals current times resistance
- 18. a component represented by a circle with an X in it
Down
- 1. where current can split down two or more paths
- 2. the particle that flows around a metal wire
- 4. when there are different loops for current to flow
- 6. several cells connected together
- 7. the rate of flow of charge
- 9. when all components in a circuit are on a single loop
- 10. used to measure current
- 13. the letter Q is the symbol for this
- 15. a material that allows current to flow easily