Advertisements
Advertisements
प्रश्न
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
विकल्प
50 mA
30 mA
50 A
30 A
Advertisements
उत्तर
A silicon solar cell of dimension 1 sq.cm. generates a current of about 30 mA.
APPEARS IN
संबंधित प्रश्न
A solar water heater cannot be used to get hot water on
What type of reactions occurring inside the sun produce solar energy?
Name some of the solar energy devices.
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
Explain why, a plane mirror 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.
Why is the solar cooker box painted black from inside?
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
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
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?
Name two devices which can be utilised for the cooking of food so as to save fuel.
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.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
Assertion (A): A solar cooker cooks the meal due to the greenhouse effect.
Reason (R): The plane mirror is responsible for producing the greenhouse effect.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Solar energy is a non depleting energy. Justify.
______ is not harmful to the environment.
