Advertisements
Advertisements
प्रश्न
If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?
संख्यात्मक
Advertisements
उत्तर
Given power= 100 watt, time = 2hrs
Energy consumed = power x time
= 100 x 2 x 60 x 60
= 7.2 x 105 J
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
The moon is revolving around the earth in a circular path. How much work is done by the moon?
What are the two kinds of mechanical energy?
How many watts equal one horse power?
What are the quantities on which the work done depends?
Complete the following sentences:
Joule is the unit of .......
Name the type of energy possessed by a body due to a change in configuration.
What is the difference between K.E. and P.E.?
A block of iron of mass 400 kg is used as a pile driver. If it is raised to a height of 20 meters, calculate the potential energy possessed by the iron block. (Assume g= 10 ms-2).
Can two agents, doing the same work, have different power?
One labourer carried four pans of road metal through a distance of 100 metres. If he carries two pans of road metal through a 200 metre distance ______ work will be done.
