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Question
Solar panels are used for harnessing solar energy. This solar energy is then used to charge an electric cell and this electric cell is used to move a toy. What are the energy changes that take place?
Solar panels are used for harnessing solar energy. This solar energy is then used to charge an electric cell and this electric cell is used to move a toy. What are the energy changes that take place?
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Solution
The correct option is A Solar energy - Chemical energy - Kinetic energy
Solar panels contain photovoltaic cells, which converts the sunlight to electricity. The electric cell stores this electrical energy in the form of chemical energy. When a toy is connected to this electric cell, the stored energy is used to move the toy. Therefore the toy possesses kinetic energy due to its motion. Thus, the energy changes occurring over here are solar energy to chemical energy and then this chemical energy is converted to kinetic energy.
Solar energy - Chemical energy - Kinetic energy
Solar panels contain photovoltaic cells, which converts the sunlight to electricity. The electric cell stores this electrical energy in the form of chemical energy. When a toy is connected to this electric cell, the stored energy is used to move the toy. Therefore the toy possesses kinetic energy due to its motion. Thus, the energy changes occurring over here are solar energy to chemical energy and then this chemical energy is converted to kinetic energy.
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