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प्रश्न
Power available from solar cells : DC : : power require to run domestic equipments : _________
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उत्तर
Power available from solar cells : DC : : power require to run domestic equipments : AC
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संबंधित प्रश्न
Name some of the solar energy devices.
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.
What is a solar cell panel? For what purpose is it used? State its two main advantages.
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
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 two devices which can be utilised for the cooking of food so as to save fuel.
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.
The potential difference available from a solar cell depends on its area.
Complete the following flow chart.
Solar energy is a renewable energy. How?
______ is not harmful to the environment.
______ is considered as a great source of energy.
