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P2 - ELECTRICITY - Coggle Diagram
P2 - ELECTRICITY
parallel circuits
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if one component stops working, the others aren't affected
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series circuits
if one component stops working, all of them do
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electricity in the home
AC - alternating current
constantly changes direction, 230V, 50Hz
DC - direct current
flows in one direction, supplied by batteries
wires
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earth
green / yellow, safety, carries current if there's a fault
live
brown, provides p.d. from the mains
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static electricity
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when materials are rubbed together, electrons move from one to the other. one material is now positively charged, the other is negatively charged
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electric fields
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the closer you get to an object, the stronger the field
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