Mains electricity 3.0 / 5 based on 1 rating ? PhysicsElectricityGCSEAQA Created by: AisteCreated on: 15-01-13 19:00 1024315679 Across 1. ___ current is in one direction only. alternating current repeatedly reserves its direction. (6) 3. when a charge flows in a circuit the ____ will heat up. this means that most electrical appliances have vents to keep them cool. (10) 4. what does I stand for? (7) 6. the ___ wire is connected to the neutral pin. (4) 7. when charge flows through a ____, energy transferred to the resistor makes it hot. (8) 9. the earth wire is connected to the ___ pin. (7) Down 2. appliances with metal cases must be ___ because if a fault develops and the live wire touches the metal case, the case would become live and it could give a shock to anyone who touches it. (7) 3. if a fault develops, in an earthed appliance a large ___ flows to earth and melts the fuse, disconnecting the supply. (7) 5. what does Q stand for? (6) 10. the ___ wire is brown. (4)
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