Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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 Check 

Across: 1. the area round a magnet where it exerts force 4. a light emitting diode 5. opposition to flow of current 6. this type of circuit used for domestic lighting 7. what happens between north and south magnetic poles 9. electricity - but without moving charges 11. allowing the flow of electrons 13. a measure of the energy stored in a battery 14. can cause movement 15. two bulbs connected in line in a circuit are said to be in ------

Down: 1. the 230 volts a.c. supplied to uor homes is called the ----- supply 2. prevents transfer of either heat or electrical energy 3. what happens between two similar magnetic poles 4. light-dependent resistor 8. unit of electrical energy used by electricity supply companies 10. a flow of charge in a circuit 12. a device that allows current to flow in one direction only 14. useful everyday application of the heating effect of an electric current