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प्रश्न
State the energy transformation on the following:
Electricity is obtained from wind energy.
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उत्तर
Mechanical energy into electrical energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Write the type of energy possessed in the following case:
A moving cricket ball.
Give two examples each of renewable and non-renewable sources of energy?
State the energy transformation on the following:
Electricity obtained from hydro energy.
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
Can you tell?
What are the various forms of energy?
What ts the original source of energy for the electricity produced at a thermal power station?
