circuits , resistance , filament, diode ohm law

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1

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electric current

is the flow of electrons/ charge around a circuit

flows around from cell to back comp circuit

if gap incomp no current flow

2

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resistance

hindrance to the flow of current

collision between charge carriers and fixed positive ions in the material

3

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resistance unit

Ohm

4

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ohms law rule

voltage across a component is proportional to the current through

5

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filament lamp

as current inc, the lamp is hotter

resistant inc, gradient dec

ohm law not followed

6

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diode

infinite resistance in one side none in the other

ohm law not followed