Advertisements
Advertisements
प्रश्न
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 |
Advertisements
उत्तर
| Forms of Energy | Devices | |
| a. | Electric | Electric Fan, Electric iron |
| b. | Mechanical | Sewing machine, Bicycle |
| c. | Thermal | Steam Engine, Steam turbine |
| d. | Solar | Solar cooker, Solar heater |
APPEARS IN
संबंधित प्रश्न
Name some of the solar energy devices.
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
Name the semi-conductor material which is usually used for making solar cells.
What is a solar cell panel? For what purpose is it used? State its two main advantages.
With the help of a labelled diagram, explain the construction and working of a solar cooker.
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
A solar cooker may not cook food if
(a) the solar cooker is not placed in the shade
(b) the glass sheet cover of solar cooker is not closed
(c) a convex mirror reflector is not used
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
Write a short note on electrical energy generation and environment.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
Power available from solar cells : DC : : power require to run domestic equipments : _________
The power produced from solar cells is a DC.
Give scientific reason.
Hydropower, solar energy and wind energy are called renewable energy.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
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?
