Uploaded December 2023 | Updated September 2026, 1 week ago

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Talking about the temperature drift of the resistance of a copper (aluminium) wire or winding. Using the Temperature Coefficient of Resistance (TCR) to calculate the resistance from the temperature or the temperature from the resistance. Real life experiments with the resistance thermal drift in a transformer and a fluorescent inductor winding. Estimating the temperature of a winding based on its resistance change. Resistance thermal change calculation added to my online calculator:
https://ohmslaw.eu

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