Home
Class 12
PHYSICS
The temperature coefficient of resistanc...

The temperature coefficient of resistance of the material of a wire is `0.00125^(@)C^(-1)`. Its resistance at `27^(@)C` is `1 Omega`. At what temperature will its resistance be `2 Omega` ?

A

1154 K

B

1100 K

C

1400 K

D

1127 K

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Match the columns|4 Videos
  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Subjective|11 Videos
  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

The temperature coefficient of resistance of a wire is 0.00145^(@)C^(-1) . At 100^(@)C its resistance is 2Omega . At what temperature the resistance of the wire be 3Omega ?

The temperature coefficient of resistance for a wire is 0.00125^(@)C^(-1) . At 300 K its resistance is 1Omega . The temperature at which the resistance becomes 2Omega is

The temperature coefficient of a resistance wire is 0.00 12^(@)C^(-1) . At 300 K, its resistance is 1 Omega . At what temperature the resistance of the wire will be 2 Omega ?

The resistance of a resistance thermometer at 19^(@)C is 3.50 Omega and at 99^(@)C is 3.66 Omega . At what temperature will its resistance be 4. 30 Omega ?

The temperature co-effcient of resistance of a wire is 0.00125^(@)C. At 500 K, its resistance is 1Omega. The resistance of the wire will be 2Omega at

Temperature coefficient of resistance of a wire at 0^(@)C is 0.00125^(@)C^(-1) . At 25^(@)C its resistance is 1 Omega . The resitance of the wire will be 1.2 Omega at

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

A conductor has a cross-section of 15 mm^(2) and resistivity of 7.6 xx 10^(-8)Omega m at 0^@C . If the temperature coefficient of resistance of the material of the conductor is 5 xx 10^(-3).^(@)C^(-1) , calculate its resistance for 2 km length of conductor when its temperature is 60^@C .

DC PANDEY-CURRENT ELECTRICITY-Medical entrances gallery
  1. A 1m long wire of diameter 0.31mm has a resistance of 4.2 Omega. If it...

    Text Solution

    |

  2. 24 cells of emf 1.5 V each having internal resistance of 1 Omega are c...

    Text Solution

    |

  3. The temperature coefficient of resistance of the material of a wire is...

    Text Solution

    |

  4. The emf of a cell E is 15 V as shown in the figure with an internal re...

    Text Solution

    |

  5. Copper and carbon wires are connected in series and the combined resis...

    Text Solution

    |

  6. Three conductors draw respectively currents of 1 A, 2 A and 4 A when c...

    Text Solution

    |

  7. The massses of the three wires of copper are in the ratio 1 : 3 : 5. A...

    Text Solution

    |

  8. In the circuit diagram,heat produces in R, 2R and 1.5 R are in the ra...

    Text Solution

    |

  9. Which one of the following electrical meter has the smallest resistanc...

    Text Solution

    |

  10. Two wires of the same materical having equal area of cross-section hav...

    Text Solution

    |

  11. Two bulbs 60 W and 100 W designed for voltage 220 V are connected in s...

    Text Solution

    |

  12. The drift speed of electrons in copper wire of diameter and length l i...

    Text Solution

    |

  13. A potentiometer wire of length 10 m and resistance 10 Omega per meter ...

    Text Solution

    |

  14. If a wire is stretched to four times its length, then the specific res...

    Text Solution

    |

  15. For the circuit shown in figure given below, the equivalent resistance...

    Text Solution

    |

  16. Two resistors of 6 Omega " and " 9 Omega are connected in series to a ...

    Text Solution

    |

  17. A current of 2 A flows in a system of conductor as shown. The potentia...

    Text Solution

    |

  18. A cell sends a current through a resistance R(1) for time t, next the...

    Text Solution

    |

  19. When a current of (2.5 +- 0.5) ampere flows through a wire, it develop...

    Text Solution

    |

  20. To draw the maximum current from a combination of cells, how should be...

    Text Solution

    |