'Earth wire' diaporamas de présentation

Electricity

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EDEXCEL IGCSE PHYSICS 2-1 Mains Electricity

EDEXCEL IGCSE PHYSICS 2-1 Mains Electricity. All content applies for Triple & Double Science. September 23 rd 2011. Edexcel IGCSE Physics pages 59 to 65. Section 2: Electricity b) Mains electricity

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Effects of an Electric Current and Domestic Circuits

Effects of an Electric Current and Domestic Circuits. Chapter 24. Heating Effect of Electric Circuits. It was James Watt who experimentally investigated the effects of the heat, W, from a current carrying wire. It was found that the following equation may be used to find W:

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GCSE Physics Exam Doctor

GCSE Physics Exam Doctor. Mains Electricity. Question 2. Question 3. Question 4. Question 1. Question 5. GCSE Physics Exam Doctor. Mains Electricity. Question 1.

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Electric symbols

Electric symbols. Cell and battery of cells. Lamp. Switch. Ammeter. Voltmeter. Resistor. Variable resistor (rheostat). Bell/buzzer. Thermistor. Resistance decreases with increasing temperature. Resistance. Temp. Light-dependent resistor (LDR).

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Synchronous Induction

Synchronous Induction. An alternator http://www.physclips.unsw.edu.au/jw/electricmotors.html#generators. An alternator.

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The 13 Amp PLUG

The 13 Amp PLUG. Fuse. Earth. Insulating Casing. Neutral. Live Wire. Cable grip. Flexible Copper conductors. FUSES IN ACTION. fault. Extra current melts the 5 Amp fuse wire cutting off the live supply. Fuses are the weakest link in a circuit, preventing fires.

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Household Electricity Quiz

Household Electricity Quiz. Click the switch to begin. Question 1. Brown. What colour is the neutral wire inside a plug ?. Blue. Yellow & Green stripes. ?. Help !. Red. Question 2. Outer Cable. Inside the plug, which wire always has the fuse connected to it ?. Live. Neutral. ?.

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The 13 Amp PLUG

The 13 Amp PLUG. Fuse. Earth. Insulating Casing. Neutral. Live Wire. Cable grip. Flexible Copper conductors. FUSES IN ACTION. fault. Extra current melts the 5 Amp fuse wire cutting off the live supply. Fuses are the weakest link in a circuit, preventing fires.

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CIRCUITS

CIRCUITS. What we know... Current is the flow of charge It can be the flow of positive (conventional current) It can be the flow of negative (electron current)

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Wiring a plug.

Wiring a plug. The Quiz. Start. 1. Which is the Earth Wire ?. 2. Which is the Neutral Pin ?. 3. Which is the Fuse ?. 4. Which is the Outer insulation ?. 5. Which is the Live Wire ?. 6. Which wire normally has current flowing in it ?. 7. Which part holds the cable on the plug ?.

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Electricity

Electricity. Contents. Circuits Current in a Series Circuit Current in a Parallel Circuit Voltage in a Series Circuit Voltage in a Parallel Circuit Resistance through Components Charge in Circuits Energy in Circuits Mains Electricity National Grid Wiring a Plug Fuses and Safety

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Electrical Safety

Electrical Safety. Electrical Safety. Electric current will always take the path of least resistance. This is usually the quickest way to the Earth. Even small voltages can kill. Electrical Safety. Read the leaflet on Electrical Safety.

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Electrical Safety

Electrical Safety. Electrical Safety. Electric current will always take the path of least resistance. This is usually the quickest way to the Earth. Even small voltages can kill. Electrical Safety. Read the leaflet on Electrical Safety.

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Electrical Safety

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SAFETY FEATURES USED IN THE CIRCUITS OF THE MAINS SUPPLY

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Ring circuit and earthing

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Images

Images. A standard UK three-pin plug. A standard UK three-pin plug. A 3-core and a 2-core wire. Both contain a live and a neutral wire, but only the 3-core has an earth wire. Fuses usually come as replaceable cartridges. The wire inside the fuse heats up and melts if there is too much current.

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