मराठी

What is the Common Name of '1 Kwh' of Electrical Energy?

Advertisements
Advertisements

प्रश्न

What is the common name of '1 kWh' of electrical energy?

एका वाक्यात उत्तर
Advertisements

उत्तर

1 kilowatt of electrical energy is commonly known as ‘1 unit’ of electricity.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Work and energy - Very Short Answers 2 [पृष्ठ १६२]

APPEARS IN

लखमीर सिंह Physics (Science) [English] Class 9 ICSE
पाठ 4 Work and energy
Very Short Answers 2 | Q 11 | पृष्ठ १६२

संबंधित प्रश्‍न

Select the correct alternatives 

 When a bulb lights up on passing current, the change of energy is


State two factors on which the potential energy of a body at a certain height above the ground depends.


What do you mean by conservation of mechanical energy? State the condition when does it hold.


What is energy?


Name the quantity whose unit is :
(a) kilowatt
(b) kilowatt-hour


A certain household consumes 650 units of electricity in a month. How much is this electricity in joules?


Study the following activity and answer the questions.
  1. Take two aluminium channels of different lengths.
  2. Place the lower ends of the channels on the floor and hold their upper ends at the same height.
  3. Now take two balls of the same size and weight and release them from the top end of the channels. They will roll down and cover the same distance.
Questions:
  1. At the moment of releasing the balls, which energy do the balls have?
  2. As the balls roll down which energy is converted into which other form of energy?
  3. Why do the balls cover the same distance on rolling down?
    Note: The question is wrong. It should be "Why do the balls cover the same distance after rolling down"?
  4. What is the form of the eventual total energy of the balls?
  5. Which law related to energy does the above activity demonstrate? Explain.

We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
When we have run a long distance, we feel tired. We have to stop. Why is that?


Running water possesses ______.


Which one of the following is not the unit of energy?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×