Home
Class 12
PHYSICS
A wire of length 2.0 m, diameter 1.0 mm ...

A wire of length 2.0 m, diameter 1.0 mm has `50 xx 10^-3 Omega` (ohm) resistance. Calculate the resistivity of the material of a wire.

Promotional Banner

Topper's Solved these Questions

  • Electric Charges and Electrostatic Force

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|39 Videos

  • Electric Field

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|35 Videos

Similar Questions

Explore conceptually related problems

A wire of length15m (meter) and uniform area of cross section 6.0 xx 10^-7 m^2 has resistance of 5.0 Omega (ohm). What is the resistivity of the material of the wire ?

Resistance of a metal wire of length 2 m is 40 ohm. If the diameter of the wire is 0.3 mm. What will be the resistivity of the metal at that temperature?

A wire having a mass of 0.45 kg posseses a resistanfce of 0.014 Omega . If the resistivity of the material fo wire is 1.78 xx10^-7 Omegam , calculate its length and radius. Given that the density of the material of wire is 8.93 xx10^3 kg m^-3

Resistance of a metal of length 1 m is 26 Omega at 20^@C If the diameter of the wire is 0-3mm What will be the resistivity of the metal at that temperature?Using standard table of resistivity of various metals,predict the material of the wire.

A negligibly small current is passed through a wire of length 15 m and uniform cross section 6.0 xx 10^-7 m^2 and its resistance is measured to be 5.0 Omega . What is the resistivity of the material at the temperatuare of the experiment?

PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
  1. Calculate the resistivity of the material of wire 1.0 m (meter) long 0...

    Text Solution

    |

  2. A wire of length15m (meter) and uniform area of cross section 6.0 xx 1...

    Text Solution

    |

  3. A wire of length 2.0 m, diameter 1.0 mm has 50 xx 10^-3 Omega (ohm) re...

    Text Solution

    |

  4. A parallel combination of three resistors takes a current of 5A from a...

    Text Solution

    |

  5. The parallel combination of three resistors takes a current of 7.5A fr...

    Text Solution

    |

  6. A series combination of three resistors takes a current of 2A from a 2...

    Text Solution

    |

  7. A wire has a resistance of 10.5Omega at 21^@C and 16.4Omega at 147^@C....

    Text Solution

    |

  8. A resistance of a tungsten filament at 150^@C is 133Omega.What will be...

    Text Solution

    |

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

    Text Solution

    |

  10. Three identical cells of emf 4V each and unknown internal resistances ...

    Text Solution

    |

  11. If maximum resistance from the combination of two resistances is 18 oh...

    Text Solution

    |

  12. A wire with an area of cross-section as 10 mm^2 has a resistance of 5O...

    Text Solution

    |

  13. A wire with an area of cross-section as 1 mm2 has a resistance of 10Q,...

    Text Solution

    |

  14. Given three resistors of resistances 1Q (Ohm), 2Q (Ohm) and 3Q (Ohm). ...

    Text Solution

    |

  15. How many electrons pass through alamp inone minute if current flowing ...

    Text Solution

    |

  16. How does the conductivity of metals varies with the rise in their temp...

    Text Solution

    |

  17. Why Eureka metal is used to make standard resistance coil?

    Text Solution

    |

  18. Why copper is used to make connecting wires ?

    Text Solution

    |

  19. How does the conductivity of semi-conductors varies with the rise in t...

    Text Solution

    |

  20. Why Manganin is used to make standard resistance coil ? How does the e...

    Text Solution

    |