Home
Class 11
PHYSICS
How long does a 59 kw water heater take ...

How long does a `59 kw` water heater take to raise the temperature of `150L` of water from `21^(@)C` to `38^(@)C` (in min)

Text Solution

Verified by Experts

The correct Answer is:
3
`t xx 59000 = 150 xx 4200 xx (38 -21)`
`t = 3 min`
Promotional Banner

Topper's Solved these Questions

  • CALORIMETRY AND THERMAL EXPANSION

    RESONANCE|Exercise Exercise-2|1 Videos

  • CALORIMETRY AND THERMAL EXPANSION

    RESONANCE|Exercise Exercie-3|1 Videos

  • CALORIMETRY AND THERMAL EXPANSION

    RESONANCE|Exercise Exercise-1|1 Videos

  • CALORIMETRY

    RESONANCE|Exercise Exercise|19 Videos

  • CAPACITOR

    RESONANCE|Exercise Exercise|45 Videos

Similar Questions

Explore conceptually related problems

The quantity of heat required to raise the temperature of 2000 g of water from 10^@C to 50^@C is

Heat required to raise the temperature of one gram of water through 1^@C is

What is the required resistance of the heater coil of an immersion heater that will increase the temperature of 1.50 kg of water from 10^(@)C to 50^(@)C in 10 minutes while operating at 240V ?

A tank contains 10^(5) L of water. The amount of energy required to raise the temperature of water from 15^(@)C to 25^(@)C is n xx 10^(6) kJ (assume specific heat capacity of water 4J^(@)C^(-1)g^(-1)) .The value of n is

How much heat energy is necessary to raise the temperature of 5 kg of water from 20 ^@ C " to " 100^@C ?

RESONANCE-CALORIMETRY AND THERMAL EXPANSION-Exercise
  1. STATEMENT-1: When water is heated by a burner in metallic container it...

    Text Solution

    |

  2. A pitcher contains 200kg of water 0.5 gm of water comes out on the sur...

    Text Solution

    |

  3. How long does a 59 kw water heater take to raise the temperature of 15...

    Text Solution

    |

  4. The specific heat of a substance varies with temperature according to ...

    Text Solution

    |

  5. 50g of ice at 0^(@)C is mixed with 200g of water at 0^(@)C.6 kcal heat...

    Text Solution

    |

  6. Earth receives 1400 W//m^2 of solar power. If all the solar energy fal...

    Text Solution

    |

  7. A 50gram lead bullet, specific heat 0.02 is initially at 30^(@) C. It...

    Text Solution

    |

  8. The temperature of 100g of water is to be raised from 24^@C to 90^@C b...

    Text Solution

    |

  9. An electrically heated coil is immersed in a calorimeter containing 36...

    Text Solution

    |

  10. As a result of temp rise of 32^(@)C, a bar with a crack at its centre ...

    Text Solution

    |

  11. Level of a certain liquid at 0^(@)C and 100^(@)C are 0 and 10 mm on a ...

    Text Solution

    |

  12. A simple seconds pendulum is constructed out of a very thin string of ...

    Text Solution

    |

  13. A steel rod of length 25cm has a cross-sectional area of 0.8cm^(2) . T...

    Text Solution

    |

  14. A 1-L flask contains some mercury. It is found that at different tempe...

    Text Solution

    |

  15. When two non reactive samples at different temperatures are mixed in a...

    Text Solution

    |

  16. Two identical beakers with negligible thermal expansion are filled wit...

    Text Solution

    |

  17. When m gm of water at 10^(@)C is mixed with m gm of ice at 0^(@)C, whi...

    Text Solution

    |

  18. A bimetallic strip is formed out of two identical strips one of copper...

    Text Solution

    |

  19. There is a rectangular metal plate in which two cavities in the shape ...

    Text Solution

    |

  20. A 0.60 kg sample of water and a sample of ice are placed in two compar...

    Text Solution

    |