Home
Class 11
PHYSICS
A platinum wire has a resistance of 2.62...

A platinum wire has a resistance of `2.62 Omega` at `15 ^(0)C` and `3.29 Omega` at `80 ^(@)C`. Find the temperature coefficient of the resistance of platinum wire.

A

`4.18 xx 10^(-3@)C^(-1)`

B

`9.34 xx 10^(-3@)C^(-1)`

C

`1.934 xx 10^(-3@)C^(-1)`

D

`934 xx 10^(-3@)C^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`alpha = (R_(2) - R_(1))/(R_(1)t_(2) - R_(2)t_(1))`
Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise Examples|50 Videos

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise LEVEL-III|22 Videos

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise NCERT BASED QUESTIONS|25 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - IV|39 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Exercise|187 Videos

Similar Questions

Explore conceptually related problems

A platinum wire has a resistance of 10Omega at 0^@C and 20Omega at 273^@C. find the value of temperaure cofficient of platinum.

A copper coil has resistance of 20.0 Omega at 0^@C and a resistance of 26.4 Omega at 80^@C . Find the temperature coefficient of resistance of copper.

The resistance of a platinum resistance thermometer is 3.14 Omega at 40^(@)C and 3.76 Omega at 100^(@)C . Calculate the temperature coefficient of resistance of platinum. What will be its resistance when the thermometer is immersed in melting ice ?

A plantinum wire has resistance of 10 Omega at 0^(@)C and 20 Omega at 273^(@)C . Find the value of coefficient of resistance.

A wire has a resistance of 3.1 Omega at 30°C and a resistance 4.5 Omega at 100°C. The temperature coefficient of resistance of the wire

A conducting wire has resistance 16 Omega at 15^0 C and 20 Omega at 100^0 C find temperature of coeffecient of resistance

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

A silver wire has a resistance of 2.1Omega at 27.5^(@)C&2.7Omega at 100^(@)C Determine the temperature coefficient of resistivity of silver.

A metal wire of diameter 2 mm and length 100 m has a resistance of 0.5475 Omega " at " 20^(@)C and 0.805 Omega " at " 150^(@)C . Find (i) the temperature of coefficient of resistance (ii) resistance at 0^(@)C (iii) resistivities at 0^(@) and 20^(@)C .

A wire has a resistance of 2.1 Omega at 300 K and a resistance of 2.7 Omega at 373 K. Determine the temperature coefficent of resistance of the material.

NARAYNA-THERMAL PROPERTIES OF MATTER-LEVEL-I(H.W.)
  1. A faulty thermometer has its fixed point marked at 6^(@) and 96^(@). W...

    Text Solution

    |

  2. At what temperature is the Fahrenheit scale reading equal to (a) twi...

    Text Solution

    |

  3. The normal boiling point of liquid hydrogen is 253^(@)C. What is the c...

    Text Solution

    |

  4. A faulty thermometer has 90.5^(@)C and 0.5^(@)C as upper and lower fix...

    Text Solution

    |

  5. The temperature of a substance increases by 27^(@)C. On the Kelvin sca...

    Text Solution

    |

  6. A Fahrenheit thermometer registers 107^(@) while a faulty Celsius ther...

    Text Solution

    |

  7. A platinum wire has a resistance of 2.62 Omega at 15 ^(0)C and 3.29 Om...

    Text Solution

    |

  8. At what temperature the Fahrenheit and kelvin scales of temperature gi...

    Text Solution

    |

  9. The pressure of hydrogen gas in a constant volume gas thermometer is 8...

    Text Solution

    |

  10. A brass sheet is 25 cm long and 8 cm breath at 0^(@) C. Its area at 10...

    Text Solution

    |

  11. A metal rod having a linear coefficient of expansion 2 xx 10^(-5 //@) ...

    Text Solution

    |

  12. A clock with an iron pendulum keeps correct time at 15^(@)C. If the ro...

    Text Solution

    |

  13. A steel rod of length 0.5km is used in the construction of a bridge. I...

    Text Solution

    |

  14. A wire of length 100cm increases in length by 10^(-2)m when it is heat...

    Text Solution

    |

  15. The variation of density of a solid with temperature is give by the fo...

    Text Solution

    |

  16. An iron bar whose cross sectional area is 4cm^(2) is heated from 0^(@)...

    Text Solution

    |

  17. A hole is drilled in a copper sheet. The diameter of the hole is 4.24 ...

    Text Solution

    |

  18. Distance between two places is 200km. alpha of metal is 2.5 xx 10^(-5/...

    Text Solution

    |

  19. A crystal has a coefficient of linear expansion 12 xx 10^(-6 //@)C in ...

    Text Solution

    |

  20. When a thin rod of length 'l' is heated from t(1)^(0)C to t(2)^(0)C le...

    Text Solution

    |