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
What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility?
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
Explain why, a plane mirror reflector is used in a box-type solar cooker.
What is a solar cell? Draw the labelled diagram of a solar cell.
Name the semi-conductor material which is usually used for making solar cells.
Why is the solar cooker box covered with a glass sheet?
Solar cells are used to provide the electric current to charge the batteries of a car driven by an electric motor. Describe the energy changes which take place.
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
What steps would you suggest to reduce energy consumption?
Assertion (A): A solar cooker cooks the meal due to the greenhouse effect.
Reason (R): The plane mirror is responsible for producing the greenhouse effect.
What are the major utilizers of solar energy in the world?
Find an odd one out.
Power available from solar cells : DC : : power require to run domestic equipments : _________
The power produced from solar cells is a DC.
Complete the following flow chart.

Solar energy is a renewable energy. How?
Kamuthi solar power project is situated in ______ district in Tamil Nadu.
______ is considered as a great source of energy.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
