हिंदी

Observe the Connections of Cells Shown in the Following Images. - Science and Technology 2

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प्रश्न

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.

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उत्तर

i.Type of connection of solar cells in ‘A’ is ‘in series’ connection and it will give maximum potential difference.
ii.Advantage: Solar energy is an eco-friendly source of energy. It does not cause any pollution.
Disadvantage: As it can be produced in presence of sunlight only, it needs to be stored in batteries for use.

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2018-2019 (March) Balbharati Model Question Paper Set 1

संबंधित प्रश्न

What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility?


What type of reflector is used in a box-type solar cooker? 


Why is the solar cooker box covered with a glass sheet?


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(a) 1.4 kWh
(b) 1.4 kW/m
(c) 1.4 kW/m2
(d) 1.4 kW/m3


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 a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?


Name one source of energy which is not derived from solar energy directly of indirectly.


What steps would you suggest to reduce energy consumption?


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 a current of about ___________.


State the importance of inverters.


Give scientific reason.

Hydropower, solar energy and wind energy are called renewable energy.


Distinguish between the following.

Electricity generation from solar cells and solar thermal power generation


Solar energy is a renewable energy. How?


Choose the correct statement.


______ is not harmful to the environment.


Kamuthi solar power project is situated in ______ district in Tamil Nadu.


Observe the figure and label it properly:

  1. What is the figure related to?
  2. Why are reflectors used?
  3. Draw a flow chart showing different stages in such a process.
  4. How is the process used to generate electricity?
  5. What other method can be used to generate electricity using the same energy source?


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