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प्रश्न
State the importance of inverters.
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उत्तर
The inverter is an electronic device that converts DC solar power to AC power which is required to run most of the equipment in domestic and industrial use.
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संबंधित प्रश्न
Why is the copper tube of a solar water heater painted black from outside?
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
Explain why, a plane mirror reflector is used in a box-type solar cooker.
Write the uses of solar cells.
What is solar constant? What is 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
In order to make an efficient solar cooker, the cover of the cooker box should be made of:
If the solar constant is 1.4 kW/m2 then solar energy recived by 1m2area in one hour is:
(a) 5040 J
(b) 504.0 kJ
(c) 5040 kJ
(d) 5.04 kJ
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 many applications, solar cells are connected to rechargeable batteries. Why is this so?
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?
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
What are the major utilizers of solar energy in the world?
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
Find an odd one out.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Complete the following flow chart.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
