Home
Class 12
PHYSICS
A silver wire has a resistance of 2.1Ome...

A silver wire has a resistance of `2.1Omega` at `27.5 ^@C`, and a resistance of `2.7Omega` at `100^@C`. Determine the temperature coefficient of resistivity of silver.

Promotional Banner

Topper's Solved these Questions

  • COMMUNICATIONS SYSTEMS

    PSEB|Exercise EXERCISE|9 Videos

  • ELECTRIC CHARGES AND FIELDS

    PSEB|Exercise EXERCISE|48 Videos

Similar Questions

Explore conceptually related problems

A silver wire has a resistance of 2.1 Omega at 27.5^@C , and a resistance of 2.7 Omega at 100^@C . Determine the temperature co-efficient of resistivity of silver.

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

A wire has a resistance of 3.1 Omega at 30^@C and a resistance of 4.5 Omega at 100^@C . The temperature coefficient of the wire is equal to

A wire has a resistance of 3.1Omega at 30^@C and a resistance of 4.5Omega at 100^@C . The temperature coefficient of the wire is equal to

A wrie has a resistance of 7.5 Omega at 22^@C and 15.7 Omega at 175^@C . Determne the temperature coefficient of resistance of the material.

A wire has a resistance of 10.5Omega at 21^@C and 16.4Omega at 147^@C . Find the value of temperature coefficient of resistance.

PSEB-CURRENT ELECTRICITY-EXERCISE
  1. At room temperature (27.0 ^@C) the resistance of a heating element is ...

    Text Solution

    |

  2. A negligibly small current is passed through a wire of length 15 m and...

    Text Solution

    |

  3. A silver wire has a resistance of 2.1Omega at 27.5 ^@C, and a resistan...

    Text Solution

    |

  4. A heating element using nichrome connected to a 230 V supply draws an ...

    Text Solution

    |

  5. Determine the current in each branch of the network shown in Fig.

    Text Solution

    |

  6. In a metre bridge [Fig. 3.27], the balance point is found to be at 39....

    Text Solution

    |

  7. In a metre bridge [Fig. 3.27], the balance point is found to be at 39....

    Text Solution

    |

  8. In a metre bridge [Fig. 3.27], the balance point is found to be at 39....

    Text Solution

    |

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

    Text Solution

    |

  10. In a potentiometer arrangement, a cell of emf 1.25 V gives a balance p...

    Text Solution

    |

  11. The number density of free electrons in a copper conductor estimated i...

    Text Solution

    |

  12. The earth’s surface has a negative surface charge density of 10^-9 C m...

    Text Solution

    |

  13. Six lead-acid type of secondary cells each of emf 2.0 V and internal r...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. What conclusion can you draw from the following observations on a resi...

    Text Solution

    |

  17. Answer the following questions: A steady current flows in a metallic c...

    Text Solution

    |

  18. Answer the following questions: Is Ohm’s law universally applicable fo...

    Text Solution

    |

  19. Answer the following questions: A low voltage supply from which one ne...

    Text Solution

    |

  20. Answer the following questions: A high tension (HT) supply of, say, 6 ...

    Text Solution

    |