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प्रश्न
State whether a solar cell produces a.c. or d.c.
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उत्तर
Solar cell produces d.c. (direct current).
संबंधित प्रश्न
State two disadvantages of geothermal energy.
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
What do you understand by the kinetic energy of a body?
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
What is meant by the renewable and non-renewable sources of energy? Distinguish between them giving two examples of weach.
What kind of energy is possessed in a situation when?
A fish moving in the water.
Write the type of energy possessed in the following case:
A falling apple
Give one example when:
Sound energy changes to electric energy.
When and why do clothes smell of naphthalene?
Geothermal energy is:
