Advertisements
Advertisements
प्रश्न
Give one example when:
Electrical energy to heat energy.
उत्तर
Electric heater while in use.
APPEARS IN
संबंधित प्रश्न
Define calorific value of a fuel.
State two disadvantages of geothermal energy.
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
State the energy changes in the following case while in use:
an electric cell in a circuit
Select the renewable and non-renewable sources of energy from the following:
Wind
Why using wood as fuel is not advisable although wood is a renewable source of energy?
State two uses of solar cells.
Give two examples each of renewable and non-renewable sources of energy?
What is the difference between the solid, liquid, and gaseous states of a substance?