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Current electricity

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Ammeter and voltmeter connections Ammeter circuits Direct and alternating current Electrical appliances Electrical circuits current and charge Electrical energy and voltage Electrical power Electrical power investigation

Electrical symbols Energy transfer in electricity Ionisation LDR and thermistor Ohm's law Paying for electricity Rectification Resistance

Resistance circuit Series and parallel Series and parallel components Series circuits Voltage current and resistance equation Voltmeter circuits Volts amps and joules

Problems

Ammeter circuits Current electricity Electric circuits 1 Electric circuits 2 Electric circuits 3 Electric current 4

Electric circuits 5 Electrical power Electricity 1 word search Electricity 2 word search Electricity revision sheet Ohms's Law and resistance

Voltage and energy problems Voltage, current and resistance Voltage current resistance power grid Voltmeter circuits Voltmeters and voltage Why are electrical devices so useful?

Experiments

Ammeter circuits Light bulb output Ohm's law

Power of a lamp and a small motor Resistance and length Salt meter

Thermistor resistance

© Keith Gibbs 2008