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(a) What is a solar cell? Draw the labelled diagram of a solar cell.
(b) Name the semi-conductor material which is usually used for making solar cells. (c) Write the uses of solar cells.
(a) A solar cell is an electrical device that converts solar or light energy into electrical energy.
(b) The semiconductor material, such as silicon, is usually used for making solar cells.
(c) The uses of solar cells are as follows:
1. To provide electricity to electrical appliances such as bulbs and water heaters.
2. To provide electricity in remote areas where the transmission of normal electricity lines do not exist.
3. To operate traffic signals, calculators, watches, and toys.
4. To provide electricity in artificial satellites and telescope (ex-Hubble).
Updated on: 10-Oct-2022
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