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==Key Stage 3==
===Meaning===
[[Voltage]] is the strength of an [[Electrostatic Field|electrostatic field]].
===About Voltage===
: [[Voltage]] is often misused to refer to [[Potential Difference]].
: There can be no [[Electrical Current|current]] between two points with the same [[voltage]]. They must have a different [[voltage]] for there to be a [[Potential Difference|potential difference]] and therefore a [[Electrical Current|current]].
==Key Stage 4==
===Meaning===