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प्रश्न
Name two units of power bigger than watt.
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उत्तर
Two units of power bigger than watt are,
(a) Megawatt (1 MW = 106 W)
(b) Kilowatt (1 kW = 103 W)
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संबंधित प्रश्न
Write true or false of the following statement.
Potential energy changes into kinetic energy when it is put to use
Write true or false of the following statement.
One form of energy cannot be converted into another form.
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 a bulb lights up on passing current, the change of energy is
State the unit of energy and define it.
Name the quantity whose unit is :
(a) kilowatt
(b) 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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When a body falls freely towards the earth, then its total energy
Define kilowatt hour.
