Understanding Voltage, Resistance, and Power in a Mica Heater Circuit

https://flexible-heating-journal.evergrovio.com/posts/how-to-select-a-pi-heater-for-compact-electronic-equipment

In heated plates, a mica heater must deliver heat in a controlled way. It uses a resistive heating circuit supported and insulated by mica. One useful trait is high-temperature capability. Still, mechanical stress can change the result