Re: Quick-and-dirty testgear: mains voltage monitor.
Somewhere about a tenth of an Ohm! You're drawing about 52A and losing about 5V along the way, which suggests about 0.1Ω as far as where the circuit to the voltmeter diverges from the cooker supply.
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If I have seen further than others, it is because I was standing on a pile of failed experiments.
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