Across
- 4. The unit for resistance is...
- 8. The opposition to the flow of electrons through a substance?
- 9. A power supply created by a chemical reaction that produces an electrical force field to drive the current is a ...
- 11. Where electricity is generated at a very high voltage to be caried around the by the national grid?
- 12. A component in a circuit that allows to break and rejoin a circuit is a ...
- 13. The unit for current is...
- 15. Build up of electrical charge on a object due to friction is ......
- 18. A component in a circuit that converts electrical energy to light energy is a...
- 19. The smallest particle of matter is a...
- 20. What is the unit for voltage?
- 21. what is a thin piece of metal that melts easily if the current is to great?
Down
- 1. A meter used to measure voltage gain or lose is a...
- 2. A complete conducting pathway is a...
- 3. A flow of charged particles through a conductor is a...
- 5. A coil of wire wrapped around a core of soft iron. When there is a current in the wire, a magnetic field results. What is this?
- 6. Connection point on a component in a circuit is a...
- 7. Negatively charged subatomic particles are ...
- 10. Energy made available by the flow of electrical charge through a conductor is ...
- 14. A region of which a magnetic force can be observed is what?
- 16. A substance that allows heat or electricity to move through it easily is a...
- 17. A substance which does not allow heat or electricity to move through it easily is a..