Advertisements
Advertisements
प्रश्न
The commercial unit of energy is :
विकल्प
watt
watt-hour
kilowatt-hour
kilowatt
MCQ
Advertisements
उत्तर
Kilowatt-hour is the commercial unit of electricity.
Therefore, the answer is, (c) Kilowatt-hour.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
State the unit of energy and define it.
State two factors on which the potential energy of a body at a certain height above the ground depends.
Match the following:
| Column A | Column B |
| (a) Needle | (1) class II lever |
| (b) Doorknob | (2) inclined plane |
| (c) Ramp | (3) Class I lever |
| (d) Lemon crusher | (4) Wheel and axle |
| (e) Seesaw | (5) wedge |
Name two units of power bigger than watt.
Derive the relation between commercial unit of energy (kWh) and SI unit of energy (joule).
The capacity that an object has for doing work is called ______.
Can you tell?
What should be taken into account for measuring work?
Running water possesses ______.
What energy transfer happen in a car engine?
When a body falls freely towards the earth, then its total energy
