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प्रश्न
The power produced from solar cells is a DC.
विकल्प
True
False
उत्तर
True
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संबंधित प्रश्न
What kind of mirror – concave, convex or plain – would be best suited for use in a solar cooker? Why?
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?
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
State the advantages and disadvantages of using solar cells.
What is solar constant? What is the value of solar constant?
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
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
In order to make an efficient solar cooker, the cover of the cooker box should be made of:
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
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.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Solar energy is a non depleting energy. Justify.
Solar energy is a renewable energy. How?
What is the disadvantage of solar energy?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Write a note on Kamuthi Solar Project.
