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Self induction is governed by Faraday's law of electromagnetic induction and is independent of residual magnetism or hysteresis.

You are both telling me things I already knew. I'm looking for an explanation of why higher x/r ratio leads to higher initial fault current (1st quarter cycle) given that inductance resists rate of change of the current.

I engaged ChatGPT to explain how x/r ratio affects fault current. In its initial reply, ChatGPT stated that a lower x/r ratio results in a higher initial current, which I knew wasn't true. I found online test curves comparing initial current for two case, x/r=5 and x/r=50, the latter resulting...