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प्रश्न
Observe the connections of cells shown in the following images.
i. Which connection will give maximum potential difference?
ii. Give one advantage and one disadvantage of this energy.
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उत्तर
i.Type of connection of solar cells in ‘A’ is ‘in series’ connection and it will give maximum potential difference.
ii.Advantage: Solar energy is an eco-friendly source of energy. It does not cause any pollution.
Disadvantage: As it can be produced in presence of sunlight only, it needs to be stored in batteries for use.
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संबंधित प्रश्न
What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
Name the device which converts sunlight into electricity.
Name the semi-conductor material which is usually used for making solar cells.
What is solar constant? What is the value of solar constant?
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
The radiations present in sunlight which make a solar cooker work are:
(a) visible light rays
(b) ultraviolet rays
(c) comic rays
(d) infrared rays
If the solar constant is 1.4 kW/m2 then solar energy recived by 1m2area in one hour is:
(a) 5040 J
(b) 504.0 kJ
(c) 5040 kJ
(d) 5.04 kJ
Name two devices which can be utilised for the cooking of food so as to save fuel.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
What are the major utilizers of solar energy in the world?
Make a table based on forms of energy and corresponding devices:
| Forms of Energy | Devices | |
| a. | Electric | _________ |
| b. | Mechanical | Sewing machine, Bicycle |
| c. | Thermal | __________ |
| d. | _________ | Solar cooker, Solar heater |
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
Power available from solar cells : DC : : power require to run domestic equipments : _________
The power produced from solar cells is a DC.
Complete the table.
| Limitations of Solar energy | Limitations of Wind energy |
Choose the correct statement.
The installed capacity of the Kamuthi solar power project is ______ MW.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
