Electricity Circuit Symbols.

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Presentation transcript:

Electricity Circuit Symbols

Pick a row, column or diagonal... Which is the odd one out? Why? Thomas Edison (inventor of light bulb) Neurones in body

Electricity In order to design electrical items like iPhones or drones we need to understand how electricity works. This topic will give you a greater understanding of electricity.

Fixed resistor – limits current flowing in a circuit To be able to draw and interpret circuit diagrams. To know what is meant by current, charge and potential difference. To be able to calculate charge flow. Thermistor – an electrical resistor whose resistance is greatly reduced by heating. Fixed resistor – limits current flowing in a circuit Variable resistor – varies current flowing in a circuit Light Dependent Resistor (LDR) -

To be able to draw and interpret circuit diagrams. To know what is meant by current, charge and potential difference. To be able to calculate charge flow. Keywords: Current, potential difference, circuit, charge, amperes, coulombs Thermistor – an electrical resistor whose resistance is greatly reduced by heating.

Other Components and their symbols: To be able to draw and interpret circuit diagrams. To know what is meant by current, charge and potential difference. To be able to calculate charge flow. Keywords: Current, potential difference, circuit, charge, amperes, coulombs Other Components and their symbols: Diode – allows current in ONE DIRECTION ONLY. Light Emitting Diode (LED) – Emits light and only allows current in ONE DIRECTION. Fuse – a wire that melt when current is TOO high.