Wires with high resistance change electrical energy into heat. This is the principle behind things like electric heaters, toasters, and even the way a light bulb works.

Here's why:

* Resistance: Resistance is a property of a material that opposes the flow of electric current.

* Energy Conversion: When current flows through a resistor (like a wire with high resistance), the electrical energy is converted into thermal energy (heat).

* Joule's Law: The amount of heat generated is proportional to the square of the current, the resistance, and the time the current flows.

So, the higher the resistance, the more heat is generated for a given amount of current.