On 19/10/2020 08:13, Jeff Layman wrote:
On 18/10/2020 22:24, Dave Liquorice wrote:

What I'm struggling with is the division by zero in I = V/R.
Basically, Ohm's Law does not apply to superconductors. I didn't realise
that it isn't really a law, and there are times when it doesn't apply:
https://en.wikipedia.org/wiki/Ohm%27s_law#Scope

Googling "Ohm's Law" and "Superconductor" will result in many hits
confirming it doesn't apply.

ohms law is an approximately correct model in metallic conductors at DC only

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