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1$\begingroup$ The quoted Wikipedia article says, "More specifically, Ohm's law states that the R in this relation is constant, independent of the current." Between that and your posted direct quote (which should be added to the question body, not posted as an answer), what are you unsure of? $\endgroup$Albatross– Albatross2019-09-02 12:56:08 +00:00Commented Sep 2, 2019 at 12:56
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1$\begingroup$ There would be much less confusion about this subject if the thing were called Ohm's Rough Guideline for Ohmic Materials when the Current is not too High. $\endgroup$Oscar Bravo– Oscar Bravo2019-09-02 13:30:50 +00:00Commented Sep 2, 2019 at 13:30
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$\begingroup$ But these things are true for almost all scientific "laws". Gravity, pressure, expansion, elasticity..... That's kind of a given..... $\endgroup$Stilez– Stilez2019-09-02 17:45:27 +00:00Commented Sep 2, 2019 at 17:45
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