Question.
A battery lights a bulb. Describe the energy changes involved in the process.
A battery lights a bulb. Describe the energy changes involved in the process.
Solution:
Within the electric cell of the battery, the chemical energy changes into electric energy. The electric energy on flowing through the filament of the bulb, first changes into heat energy and then into the light energy.
Within the electric cell of the battery, the chemical energy changes into electric energy. The electric energy on flowing through the filament of the bulb, first changes into heat energy and then into the light energy.
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