Physics Topic 1 - Electricity 0.0 / 5 ? PhysicselectricityIGCSEEdexcel Created by: LivyCreated on: 06-10-13 19:17 Causes of electrical shock? Damaged plug, damaged insulin, frayed cables, overheating cables, damn/wet condition 1 of 20 What is electrical wiring made of? Copper, silver would be better but is too expensive 2 of 20 What feature does domestic wring have? Double insulation and three separately insuled wires inside 3 of 20 What are the tiny particles that move through a wire? Electrons 4 of 20 What melts if the current is too high? Fuse 5 of 20 Is an ammeter connected in series or parallel? Series 6 of 20 What is conventional current? When current flows from positive to negative 7 of 20 What does an ammeter measure? The rate of the flow of current 8 of 20 What is Ohm's Law? (Voltage = Current x Resistance) V=IR 9 of 20 What is resistance measured in? Ohms 10 of 20 What is power measured in? Watts (W) 11 of 20 What is electrical power equal too? Current x Potential Difference (P=IV) 12 of 20 Resistance equation? R=V/I 13 of 20 Current equation? I=V/R 14 of 20 What do voltmeters go into? Parallel circuits 15 of 20 How does an LDR work? Darker=more resistance 16 of 20 How does a Thermistor work? Colder=more resistance 17 of 20 How is static electricity caused? Things rubbing against each other (transferring electrons) 18 of 20 Electrical pneumonic? Quentin Would Vote Presidentially If Quentin Truly Wanted Peace. I Vote Respectfully. 19 of 20 Energy equation? E=P(IV)T 20 of 20
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