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Across 1. ammeters should always be connected in s_________ 4. V = I x R is known as ______ ______ 5. units for current (full name begins with A) 6. Part of an atom that is positively charged 9. A circuit needs an energy supplier, an energy user and a c________ p________ 14. voltmeters should always be connected in p_________ 17. The flow of electrical charge 19. The parts of the magnet labelled north and south 20. a electrical component that has the symbol of a circle with a cross in it 21. used to measure voltage 22. metals are good c___________ 23. units for voltage 24. used to turn a circuit on and off 25. circuits get power from this

Down 1. The north pole of one magnet is attracted to the _________ pole of another magnet. 2. An object that does not conduct electricity 3. When current flows through a wire it can act as a m_________ 4. _________________ charges attract 5. used to measure current 7. n__-m______ are usually insulators 8. like charges do this 10. A Van der Graaf generator is a source of s______ e_________ 11. iron filings can be used to view a m__________ f___________ 12. A conductor has free _____________ 13. the amount of charge moving through a point in a circuit every second 15. units for resistance 16. The force that resists the flow of electrons in a circuit 18. a measure of the energy each electron has in a circuit