Answer question numbers Sia) - 3id) on the basis of your understanding
of the following paragraph and the related studied concepts.
Solar power in India is a fast developing industry. The country's solar
installed capacity reached 30-071 GW as of 31 July, 2019. India has the
lowest capital cost per MW to install solar power plants. Solar electricity
generation recorded nearly 34% of total utility electricity generation in
January 2019. The following table shows Annual Solar Power Generation
of the last six years.
Year
Solar Power Generation (TWh)
2013-14
3:35
2014-15
4.60
2015 - 16
7-45
2016-17
12-09
2017-18
25-87
2018 - 19
39-27
Our country is lucky to receive solar energy for the greater part of the
year. It is estimated that during a year India receives the energy
equivalent to more than 5000 trillion kWh from the Sun.
3(a). What are solar cells?
3(b) How much voltage can be developed and how much electricity can
be produced by one typical solar cell when exposed to the Sun ?
3(c)
The future of power generation by solar energy is bright in India,
Give reason.
3(d)
List two advantages of solar cells.
Answers
Answer:
3(a)solar cell is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.
3(b)A solar power panel is made of photovoltaic cells arranged in a configuration that can contain 32, 36, 48, 60, 72 and 96 cells. A solar panel comprising 32 cells typically can produce 14.72 volts output (each cell producing about 0.46 volt of electricity).
3(b)Solar energy is an inexhaustible source of energy produced from sunlight. ... It has bright future in India because many parts (regions) of the country received sunlight on 300 days annually and so it becomes possible to generate 20 MW solar energy per square kilometer in such areas.
3(b)
- Renewable Energy Source.
- Low Maintenance Costs.
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