Advertisements
Advertisements
प्रश्न
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
उत्तर
An electric generator.
APPEARS IN
संबंधित प्रश्न
Define calorific value of a fuel.
Give one example to show the conversion of potential energy to kinetic energy when put in use.
State two advantages of using wind energy for generating electricity.
Name the energy changes for the following:
pendulum
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
Write five forms of energy.
What kind of energy is possessed in a situation when?
Water stored in dams.
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.
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]
What is meant by energy?
