Across
- 3. this ugly structure is used to support high voltage cables in the National Grid
- 5. the electrical quantity that is always conserved (ie the total is the same)
- 7. one coulomb of charge moving past a given point in a second is one _________
- 9. the unit of potential difference
- 10. used to change voltages up and down
- 11. the unit of power - one joule per second
- 13. the rate of flow of electrical charge
Down
- 1. brown wire?
- 2. if i take one coulomb and increase its potential difference by one volt in takes one _______ of energy to do so
- 4. two or more cells in series
- 6. blue wire?
- 8. the case of an appliance with a two core wire is probably made from this
- 12. green and yellow wire?