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प्रश्न
The potential difference available from a solar cell depends on its area.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
Name that part of a box-type solar cooler which allow the sun's heat rays to enter the box but does not allow inside heat to go out.
What is a solar cell? Draw the labelled diagram of a solar cell.
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
The part of box-type solar cooker which is responsible for producing greenhouse effect is:
(a) plane mirror reflector
(b) black coating inside the box
(c) glass sheet cover
(d) utensils placed in the cooker box
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
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
Name two devices which can be utilised for the cooking of food so as to save fuel.
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
Observe the connections of cells shown in the following images.
i. Which connection will give maximum potential difference?
ii. Give one advantage and one disadvantage of this energy.
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.
State the importance of inverters.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Observe the figure and label it properly:
- What is the figure related to?
- Why are reflectors used?
- Draw a flow chart showing different stages in such a process.
- How is the process used to generate electricity?
- What other method can be used to generate electricity using the same energy source?
