35. Thermal Fuse Basics & Identification

Question.6

A battery-powered device stops working when it gets too hot.
After cooling down, it starts working again without replacing any part.
Which statement is correct?

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A thermal fuse likely opened and then reset after cooling
A PPTC or resettable thermal protector likely operated.
Both PPTC and thermal fuse normally recover after cooling- so any of them acted.