[ELECTRON] Power / current in a lamp

[Seb Bacon]

Hi all,

Hope folks don't mind me posting questions like this here.

In the electronics self-study group (meets each Tuesday night from
6pm, more people very welcome!) I'm trying to get to grips with some
fundamentals, but it's a bit hard to progress on some stuff without an
expert on hand.  So I might throw out a few dumb newbies questions.
Like:

On our wee lamps, it says 0.3mA, 3.5W.  What does that mean?  That the
lamp performs most efficiently at that current and power?

Thanks!

Seb

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