More electricity 3.0 / 5 based on 1 rating ? PhysicsElectricityGCSEAQA Created by: mandaCreated on: 24-01-13 21:04 Mains supply is... Alternating current 1 of 30 Batteries are... Direct current 2 of 30 a fancy voltmeter cathode ray oscilloscope 3 of 30 1/time period = frequency 4 of 30 the brown wire live wire 5 of 30 this wire alternates voltage live wire 6 of 30 the blue wire neutral wire 7 of 30 this wire is always OV neutral wire 8 of 30 yellow and green wire earth wire 9 of 30 thicker cables have less... resistance 10 of 30 metal parts in a plug are made of... copper or brass 11 of 30 case, cable grip and insulation is made of... plastic 12 of 30 RCCB residual current circuit breaker 13 of 30 power rating x time = energy transferred 14 of 30 current x p.d power 15 of 30 charge x p.d energy transformed 16 of 30 isotopes tend to be... radioactive 17 of 30 radioactive substances give out radiation from their ... nucleus 18 of 30 they spit out.. alpha beta gamma 19 of 30 radiation thats always there background radiation 20 of 30 alpha particles are.. helium nuclei 21 of 30 beta particles are... electrons 22 of 30 gamma rays have.. no mass or charge 23 of 30 alpha deflected less in a magnetic field because its... heavier 24 of 30 gamma goes straight through 25 of 30 thr average time it takes for number of nuclei to halve half life 26 of 30 alpha radiation used in.. smoke detectors 27 of 30 beta and gamma used in... medicine 28 of 30 gamma rays used in... radiothepary 29 of 30 inside the body alpha particles damage a... localised area 30 of 30
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