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प्रश्न
The ultimate source of energy is :
विकल्प
wood
wind
water
sun
उत्तर
The ultimate source of energy is : Sun
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संबंधित प्रश्न
If you could use any source of energy for heating your food, which one would you use and why?
Name the product of petroleum that is used to drive heavy vehicles.
What is a solar cell? State two uses of solar cells. State whether a solar cell produces a.c. or dc. Give one disadvantage of using a solar cell.
State the energy transformation in the following:
electricity is obtained from solar energy.
State two advantages of box type solar cooker.
What are semiconductors? Name two semiconductors.
What is a solar panel? To what uses are the solar panels put?
Explain the difference between nuclear fission and nuclear fusion.
Give two uses of the thermostat.
Which of the following is a non-renewable source of energy?
