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प्रश्न
How is wind energy used to produce electricity?
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उत्तर
Wind energy is used in a wind generator to produce electricity by making use of wind mill to drive a wind generator.
संबंधित प्रश्न
Select the correct alternatives
A ball rolling on the ground possesses
Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
What is the main source of energy for earth?
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
Name the two groups in which various sources of energy are classified?
State the energy changes which take place when:
A battery lighting up a bulb.
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
