Advertisements
Advertisements
प्रश्न
How is wind energy used to produce electricity?
Advertisements
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
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Differentiate between the potential energy (U) and the kinetic energy (K).
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
What kind of energy is possessed in a situation when?
A shooting arrow.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
State the energy changes which take place when:
Photographic film is exposed to sunlight.
Give one example when:
Heat energy changes to kinetic energy.
Give one example when:
Kinetic energy to potential energy.
What is meant by energy?
