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प्रश्न
Power available from solar cells : DC : : power require to run domestic equipments : _________
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उत्तर
Power available from solar cells : DC : : power require to run domestic equipments : AC
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संबंधित प्रश्न
Why is the copper tube of a solar water heater painted black from outside?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
Write the uses of solar cells.
State the advantages and disadvantages of using solar cells.
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
Why is the solar cooker box painted black from inside?
Why is the solar cooker box covered with a glass sheet?
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
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
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 |
Complete the table.
| Limitations of Solar energy | Limitations of Wind energy |
What is the disadvantage of solar energy?
Choose the correct statement.
Write a note on Kamuthi Solar Project.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
