Electricity GCSE

1. Two or more cells connected together in series.
4. If a wire gets hot the current through it .......................
7. The flow of electrical charge, measured in amps (A). Represented in an equation by the letter I.
11. The current is .... ......... at all points in a series circuit
12. A component used to measure electric current in a circuit.
13. A circuit where there is more than one loop or pathway
16. component that allows current to flow in one direction only
17. unit of resistance

2. A component who's resistance changes as its temperature changes
3. the opposition to the flow of charge
5. A picture that uses circuit symbols to show how the components in a circuit are connected. Two words.
6. A circuit where there is only one loop or pathway
8. A particle with a relative charge of -1 and a very small relative mass. It orbits the nucleus of an atom or ion in energy levels (shells).
9. A non-ohmic conductor that allows current to flow in one direction only. It has a very high resistance in the reverse direction.
10. If the resistance increases in a circuit, the current ...........
14. Measured in volts using a voltmeter
15. unit of charge