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प्रश्न
The potential difference available from a solar cell depends on its area.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Why is the copper tube of a solar water heater painted black from outside?
Name some of the solar energy devices.
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
Write the uses of solar cells.
Why is the solar cooker box painted black from inside?
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
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
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.
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
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.
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.
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.
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
Solar reflectors are important, why?
Give scientific reason.
Hydropower, solar energy and wind energy are called renewable energy.
Complete the following flow chart.
______ is not harmful to the environment.
The installed capacity of the Kamuthi solar power project is ______ MW.
