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Question
Value based question
Why is it not possible to use solar cells to meet our energy needs? State three reason to support to your answer.
Solution
In solar cells, the solar panel convert solar energy into electricity, which stored in storage battery. The storage battery gives direct current, which is to be converted into alternating current by an suitable appliances before it can be used to run various, devices. So, it increases the cost of using panels as the source of energy.
In the solar cells the energy is obtained only during the day, when the sun shines. So the solar cells is not used to meet our energy needs.
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