Question

When a filament bulb glows light energy and heat energy are generated. Only light energy is commonly used. Write down a context that uses the heat energy​

Answer 1

Answer:

Explanation:

A filament has lots of opposition or resistance to electricity. The filament then heats up and becomes red-hot as a result of this it begins to glow, turning electrical energy into light energy. It is because of the Joule effect, which means that as the electrical current flows through them, the resistances heat up.

The heat is very important in our daily life in warming the house, cooking, heating the water and drying the washed clothes. The heat has many usages in the industry as making and processing the food and manufacture of the glass, the paper, the textile, ………etc.

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