Across
- 1. The rate of flow of charge.
- 5. The SI units of power.
- 10. A "dimmer switch" resistor.
- 11. Elemental orange metal often used for electrical wires.
- 13. (Logic) I'd expect a wire with a greater cross-sectional area to have a ____ resistance.
- 14. The total resistance of two 16 Ω resistors in parallel.
- 16. What does the current x p.d. in a circuit represent?
- 18. Factor which will increase the resistance of a metal.
- 19. The SI units of potential difference.
- 20. Can measure current and potential difference.
- 22. Component represented by a narrow pipe in the water model.
- 24. You have one in your phone. Think screen autobrightntess.
- 25. How to charge an insulator.
- 26. V = E/Q. What are the units of E?
Down
- 2. Connect a device to _____ to make sure it doesn't charge up (and spark).
- 3. The potential difference across a 16 Ω resistor with 0.75 A through it.
- 4. A circuit with multiple branches.
- 6. The SI units of current.
- 7. Electrical energy gets converted to this by a resistance.
- 8. Electrons in a metal are "___________".
- 9. The SI units of charge.
- 12. Component whose resistance decreases with temperature.
- 15. Emits light, but not because it gets hot.
- 17. You'd better get this the right way round for current to flow.
- 18. A very high melting point elemental metal used in filament bulbs.
- 21. The particle that comprise electrical current.
- 23. Equivalent to volts per amp.
- 25. Circuit safety component. Contains a thin wire.