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प्रश्न
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
पर्याय
50 mA
30 mA
50 A
30 A
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उत्तर
A silicon solar cell of dimension 1 sq.cm. generates a current of about 30 mA.
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संबंधित प्रश्न
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
Name that part of a box-type solar cooler which allow the sun's heat rays to enter the box but does not allow inside heat to go out.
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
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 many applications, solar cells are connected to rechargeable batteries. Why is this so?
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.
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.
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
Solar reflectors are important, why?
Solar energy is a non depleting energy. Justify.
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?
______ is not harmful to the environment.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
Observe the figure and label it properly:
- What is the figure related to?
- Why are reflectors used?
- Draw a flow chart showing different stages in such a process.
- How is the process used to generate electricity?
- What other method can be used to generate electricity using the same energy source?
