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प्रश्न
How many joules are there in one kilowatt-hour?
How many joules are equal to 1 kW h?
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उत्तर
There are 3.6 × 106 J in one kilowatt-hour.
संबंधित प्रश्न
Write true or false of the following statement.
Potential energy changes into kinetic energy when it is put to use
Fill in the blank
The S.I.unit of energy is ______
What is potential energy ? State its unit.
What is energy?
Tick the most appropriate answer.
The force applied on a machine to do work is called the
Name the quantity whose unit is :
(a) kilowatt
(b) kilowatt-hour
What is the common name of '1 kWh' of electrical energy?
A cell converts one form of energy into another form. Name the two forms.
The capacity that an object has for doing work is called ______.
Can you tell?
When can we say that displacement has taken place?
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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Which one of the following requires wind energy?
Find out the form of energy possessed by the following thing.
A rock on the top of a hill
What energy transfer happen in a car engine?
Which one of the following is not the unit of energy?
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?
A ball is dropped from a height of 10 m. If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back? (g = 10 m s–2)
Define kilowatt hour.
