Home
Class 10
PHYSICS
What is the meaning of the symbol kWh? W...

What is the meaning of the symbol kWh? Which quantity does it represent?

Text Solution

Verified by Experts

The kilowatt-hour [symbolized kWh] is a unit of energy equivalent to one kilowatt [kW] of power expended for one hour [1 h] of time. It represents 3,6000,000 joules `[3.600xx10^(6)J]`.
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER TYPE 2 QUESTIONS)|24 Videos

  • ELECTRICITY

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER QUESTIONS)|30 Videos

  • ELECTRICITY

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (VERY SHORT ANSWER TYPE QUESTIONS)|42 Videos

  • LIGHT - REFLECTION AND REFRACTION

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER [LA] QUESTIONS)|30 Videos

Similar Questions

Explore conceptually related problems

Give the meaning of one kwh?

What is the significance of Lewis symbols.

Which of the following physical quantity does not represent electric field ? (i) V/m, (ii) J/C

What is the physical quantity of mole?

In ECG, what does T wave represent?

What is a physical quantity ?

What does the flower symbolize?

Which of the following statements does not represent Ohm's law?

ZEN PUBLICATION-ELECTRICITY-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER TYPE 1 QUESTIONS)
  1. What is nichrome? State its one use.

    Text Solution

    |

  2. Which has more resistance: a] A long piece of nichrome wire or a sho...

    Text Solution

    |

  3. What is the meaning of the symbol kWh? Which quantity does it represen...

    Text Solution

    |

  4. Calculate the amount of charge flowing in a wire if it draws a current...

    Text Solution

    |

  5. What happens to resistance of a conductor if area of cross section is ...

    Text Solution

    |

  6. Why closed path is required for the flow of current?

    Text Solution

    |

  7. Draw the V-I graph for ohmic and non-ohmic conductors.

    Text Solution

    |

  8. A wire of resistivity p is pulled to double its length. What will be i...

    Text Solution

    |

  9. List in a tabular form two differences between a voltmeter and an amme...

    Text Solution

    |

  10. A given length of a wire is doubled on itself and this process is repe...

    Text Solution

    |

  11. What is the need of using combination of resistance in electrical circ...

    Text Solution

    |

  12. What is heating effect of current? Mention any two of its applications...

    Text Solution

    |

  13. Define the term electric power. Write an expression for it.

    Text Solution

    |

  14. Draw the diagram of an electric circuit in which the resistors R(1),R(...

    Text Solution

    |

  15. An electric refrigerator rated 400 W is used for 8 hours a day. An ele...

    Text Solution

    |

  16. A bulb is marked 220 V and 40 W. Calculate the current flowing through...

    Text Solution

    |

  17. What are the advantages of connecting electrical devices in parallel w...

    Text Solution

    |

  18. According to Joule's iaw of heating, mention the factors on which heat...

    Text Solution

    |

  19. The resistivity of manganese wire of length 1 m is 1.84xx10^-6Omegam" ...

    Text Solution

    |

  20. Observe the given circuit: Calculate the total resistance in the ...

    Text Solution

    |