Across
- 3. a meter used to measure the potential difference, it is placed in parallel to a component
- 5. negatively charged part of an atom that carries charge in a circuit
- 6. a component that reduces the current
- 7. an image used to represent electrical components
- 8. a magnet that can be turned on and off
- 10. a magnet that can be made by passing a current through a magnetic material
- 11. the rate of flow of charge
- 12. an electrical circuit with components on separate branches
- 15. a metal bar that is placed inside an electromagnet to increase its strength
- 16. material that can transfer electricity or heat
Down
- 1. the pattern of a magnetic force around a magnet
- 2. the energy transferred between two points in a circuit
- 4. material that cannot conduct electricity or heat
- 9. a magnet that is always on
- 13. a meter used to measure current, it is placed in series in a circuit
- 14. an electrical circuit with all components in one loop
- 17. the unit of resistance
- 18. can be negative or positive caused by friction with an insulator
