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प्रश्न
Select the correct alternatives
When a bulb lights up on passing current, the change of energy is
विकल्प
from electrical energy to heat energy
from electrical energy to light energy
from electrical energy to heat and light energy
from electrical energy to mechanical energy.
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उत्तर
from electrical energy to heat and light energy
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संबंधित प्रश्न
Write true or false of the following statement.
A gum bottle lying on a table has no energy.
Write true or false of the following statement.
In an electric fan, electrical energy changes into the mechanical energy.
Match the following columns
| COLUMN A | COLUMN B |
| 1. Running water | 1. heat energy |
| 2. Burning | 2. vibrations |
| 3.Energy | 3.atom bomb |
| 4.Sound energy | 4.kinetic energy |
| 5.Nuclear energy | 5.joule |
Select the correct alternatives
When we rub our hands
Name two units of power bigger than watt.
How many joules are there in one kilowatt-hour?
Can you tell?
What should be taken into account for measuring work?
Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.
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Find out the form of energy possessed by the following thing.
A rock on the top of a hill
The work done on an object does not depend upon the
