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प्रश्न
The potential difference available from a solar cell depends on its area.
पर्याय
True
False
उत्तर
False
APPEARS IN
संबंधित प्रश्न
What kind of mirror – concave, convex or plain – would be best suited for use in a solar cooker? Why?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
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.
Write the uses of solar cells.
What is a solar cell panel? For what purpose is it used? State its two main advantages.
What is solar constant? What is the value of solar constant?
With the help of a labelled diagram, explain the construction and working of a solar cooker.
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
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
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 ___________.
Solar energy is a non depleting energy. Justify.
Choose the correct statement.
