Advertisements
Advertisements
प्रश्न
A certain household has consumed 250 units of energy during a month. How much energy is this in joules?
Advertisements
उत्तर
Total energy consumption during the whole month = 250 minutes
1 unit = 1kWh
250 unit = 250 kWh
= 250 × 1000 Wh
= 250 × (1000 W) (3600 s)
= 250 × 1000 × 3600 W s
= 900 × 106
= 9 × 108J
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
A gum bottle lying on a table has no energy.
Select the correct alternatives
When we rub our hands
Select the correct alternatives
The correct statement is
Give a reason for the following.
The efficiency of a machine is always less than 100%.
Name the commercial unit of measurement of energy.
The commercial unit of energy is :
What energy transfer happen in a car engine?
When a body falls freely towards the earth, then its total energy
The work done on an object does not depend upon the
The weight of a person on planet A is about half that on the earth. He can jump up to 0.4 m in height on the surface of the earth. How high he can jump on planet A?
