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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?
What type of reactions occurring inside the sun produce solar energy?
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
What is a solar cell? Draw the labelled diagram of a solar cell.
State the advantages and disadvantages of using 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 many applications, solar cells are connected to rechargeable batteries. Why is this so?
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
What steps would you suggest to reduce energy consumption?
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
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.
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.
Make a table based on forms of energy and corresponding devices:
| Forms of Energy | Devices | |
| a. | Electric | _________ |
| b. | Mechanical | Sewing machine, Bicycle |
| c. | Thermal | __________ |
| d. | _________ | Solar cooker, Solar heater |
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
______ is considered as a great source of energy.
