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प्रश्न
The power produced from solar cells is a DC.
पर्याय
True
False
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उत्तर
True
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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?
Why is the copper tube of a solar water heater painted black from outside?
What type of reflector is used in a box-type solar cooker?
Name the semi-conductor material which is usually used for making solar cells.
Write the uses of solar cells.
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
With the help of a labelled diagram, explain the construction and working of a solar cooker.
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 value of solar constant is:
(a) 1.4 kWh
(b) 1.4 kW/m
(c) 1.4 kW/m2
(d) 1.4 kW/m3
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
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
Name two devices which can be utilised for the cooking of food so as to save fuel.
Write a short note on electrical energy generation and environment.
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
The potential difference available from a solar cell depends on its area.
Complete the following flow chart.
What is the disadvantage of solar energy?
______ is not harmful to the environment.
The installed capacity of the Kamuthi solar power project is ______ MW.
