Advertisements
Advertisements
प्रश्न
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
पर्याय
electrical
potential
kinetic
heat
chemical
solar
mechanical
उत्तर
Solar photovoltaic cells convert the solar radiation energy directly into electrical energy.
Explanation:
Solar photovoltaic cell converts the solar radiation energy directly into electrical energy. This is called solar photovoltaic effect. The electrical energy generated through this energy transformation process is DC in nature. These solar cells are made of a special type of material called semiconductor (e.g. silicon).
संबंधित प्रश्न
Why is the copper tube of a solar water heater painted black from outside?
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.
State the advantages and disadvantages of using solar cells.
Why is the solar cooker box covered with a glass sheet?
In order to make an efficient solar cooker, the cover of the cooker box should be made of:
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?
Which of the following is used in solar cooker to harvest the solar energy?
a) Solar panels
b) Silicon cell
c) Mirrors
d) Glass lid
Draw neat and labelled diagram.
One solar panel produces a potential difference of 18 V and current of 3 A. Describe how you can obtain a potential difference of 72 Volts and current of 9 A with a solar array using solar panels. You can use sign of a battery for a solar panel.
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 ___________.
Find an odd one out.
Give scientific reason.
Hydropower, solar energy and wind energy are called renewable energy.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Complete the following flow chart.
Solar energy is a non depleting energy. Justify.
Choose the correct statement.
