(Answered) 1 it is generally dangerous to tuck electrical extension

Engineering

1. It is generally dangerous to tuck electrical extension cords away behind furniture, under carpets, or anywhere else that they might cause a fire. It's the same reason why electric heating elements on stoves or in room heaters operate. What principle is involved and how does it operate in each of these situations?

2. Extension cords which are designed to carry heavier loads are generally larger in diameter than those which are not. Is this just a matter of adding more insulation, or is there a physical principle at work causing the larger diameter? Explain.

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