Home
Class 12
PHYSICS
At room temperature (27.0 .^(@)C) the re...

At room temperature `(27.0 .^(@)C)` the resistance of a heating element is `100 Omega`. What is the temperature of the element if the resistance is found to be `117 Omega`, given that the temperature coefficient of the material of the resistor is `1.70 xx 10^(-4) .^(@)C^(-1)`.

Text Solution

Verified by Experts

`1027^@ C`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-1)|17 Videos
  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE (TV Antenna)|16 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - IA|2 Videos

Similar Questions

Explore conceptually related problems

The resistance of a heating is 99Omega at room temperature. What is the temperature of the element if the resistance is found to be 116 Omega (Temperature coefficient of the material of the resistor is 1.7xx10^(-4)^(2).C^(-1) )

A metallic wier has a resistance of 120 Omega at 20^@C. Find the temperature at which the resistance of same metallic wire rises ot 240 Omega where the teperature coefficient of the wire is 2xx10^(-4) C^(-1).

The resistance of a wire at 20^(@)C is 20Omega and at 500^(@)C is 60Omega . At which temperature its resistance will be 25Omega ?

The resistance of a thin silver wire is 1.0 Omega at 20^@C . The wire is placed in a liquid bath and its resistance rises to 1.2 Omega . What is the temperature of the bath? alpha for silver is 3.8xx10^03//(.^(@) C)

The resistance of a thin silver wire is 1.0 Omega at 20^@C . The wire is placed in a liquid bath and its resistance rises to 1.2 Omega . What is the temperature of the bath? alpha for silver is 3.8xx10^-3//(.^(@) C)

A wire has a resistance of 2.5Omega at 28^(@)C and a resistance of 2.9Omega at 100^(@)C . The temperature coefficient of resistivity of material of the wire is

Resistance of a metal wire of length 1 m is 26 Omega at 20^@ C . If the diameter of the wire is 0.3 mm , what will be the resistivity of the metal at that temperature ? .

At what temperature will the resistannce of a copper wire become three times its value at 0^(@)C (Temperature coefficient of resistance for copper =4xx10^(-3)"per".^(@)C :-

If the resistance of a conductor is 5 Omega at 50^(@)C and 7Omega at 100^(@)C then the mean temperature coefficient of resistance of the material is

The ratio of the resistances of a conductor at a temperature of 15^(@)C to its resistance at a temperature of 37.5^(@)C is 4:5 . The temperature coefficient of resistance of the conductor is

AAKASH SERIES-CURRENT ELECTRICITY-PROBLEMS (LEVEL-II)
  1. A battery of emf 10 V and internal resistance 3 Omega is connected to ...

    Text Solution

    |

  2. At room temperature (27.0 .^(@)C) the resistance of a heating element ...

    Text Solution

    |

  3. Determine the current in each branch of the network shown in figure.

    Text Solution

    |

  4. A storage battery of emf 8.0 V and internal resistance 0.5 Omega is be...

    Text Solution

    |

  5. Two wires of equal length, one of aluminium and the other of copper ha...

    Text Solution

    |

  6. (a) Given n resistors each of resistance R, how will you combine them ...

    Text Solution

    |

  7. Determine the equivalent resistance of networks shown in figures above

    Text Solution

    |

  8. Given the resistances 2 Omega , 3 Omega , 4 Omega how will you combine...

    Text Solution

    |

  9. The correct combination of three resistances 1Omega, 2Omega and 3Omega...

    Text Solution

    |

  10. Given the resistances 1 Omega , 2 Omega , 3 Omega how will you combine...

    Text Solution

    |

  11. (6//11) Omega

    Text Solution

    |

  12. Figure 6.13 shows a 2.0 V potentiometer used for the determination of ...

    Text Solution

    |

  13. The earth’s surface has a negative surface charge density of 10^(-9) C...

    Text Solution

    |

  14. Siix lead-acid type of secondary cells, each of emf 2.0 V and internal...

    Text Solution

    |

  15. A secondary cell after long use has an emf of 1.9 V and a large intern...

    Text Solution

    |

  16. Determine the current drawn from a 12V supply with internal resistance...

    Text Solution

    |

  17. Figure 6.36 shows a potentiometer with a cell of emf 2.0 V and interna...

    Text Solution

    |

  18. Figure 6.36 shows a potentiometer with a cell of emf 2.0 V and interna...

    Text Solution

    |

  19. Figure 6.36 shows a potentiometer with a cell of emf 2.0 V and interna...

    Text Solution

    |

  20. Figure 6.36 shows a potentiometer with a cell of emf 2.0 V and interna...

    Text Solution

    |