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## Main Question or Discussion Point

I am having great difficulty grasping the concept of Lenz's law. As far as I am unware it is derived as:

"any current driven by an induced e.m.f opposes the change causing it"

I do not really understand what this means - help would be greatly appreciated :)

"any current driven by an induced e.m.f opposes the change causing it"

I do not really understand what this means - help would be greatly appreciated :)