Home
Class 9
PHYSICS
Determine the resistance of a copper wir...

Determine the resistance of a copper wire having, a length of 0.1 km and diameter of 0.5 mm.
[Given: `Resistivity of copper = 1.7 times 10^(-8) Omega m`]

Promotional Banner

Topper's Solved these Questions

  • INFORMATION COMMUNICATION TECHNOLOGY (ICT)

    TARGET PUBLICATION|Exercise EXERCISE|76 Videos

Similar Questions

Explore conceptually related problems

Determine the resistance of a copper wire having a length of 1 km and diameter of 0.5 mm

Determine the resistance of a copper wire having a length of 1 km and diameter of 0,5 mm. (Given: rho=Resistivity of copper =1.7 times 10^(-8) Omega m )

The resistance of a wire of length 31.4 m and diameter 1 mm is 20 Omega . Find the resistivity of the material of the wire.

The resistance of a wire of length 15.7 m and radius 0.5 mm is 10 Omega . Find the resistivity of the material of the wire.

Find the resistance of a copper cable of length 8 km, diameter 3mm, if its specific resistance is 1.7 xx 10^-8 ohm-metre.

Calculate the resistance per metre, at room temperature, of a constantan (alloy) wire of diameter 1.25mm. The resistivity of constant of an at room temperature is 5.0 xx 10^-7 Omega m.

Calculate the length of a wire of diameter 1 mm needed to prepare a coil of resistance 25 ohm. The resistivity of the material of the wire is 3.14 times 10^(-7) Omega.m .

Calculate the length of a wire of radius 0.5 mm needed to prepare a coil of resistance 40 Omega . The resistivity of the material of the wire is 3.14 times 10^(-7) Omega-m .

Calculate the specific resistance of the material of a wire having a resistance of 4.4 Omega , length 1.1 m and radius 0.2 mm.

TARGET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. A copper wire of resistance 100 Q is connected to a battery of potenti...

    Text Solution

    |

  2. The length of a conducting wire is 50 cm and its radius is 0.5 mm. If ...

    Text Solution

    |

  3. Determine the resistance of a copper wire having, a length of 0.1 km a...

    Text Solution

    |

  4. Three resistors having resistances of 12 Omega, 9 Omega, 4 Omega and 3...

    Text Solution

    |

  5. Resistors having resistances of 8 Omega, 6 Omega and 12 Omega are co...

    Text Solution

    |

  6. Rohan took a conducting wire of length 30 cm and diameter 1.2 mm. Afte...

    Text Solution

    |

  7. Three resistors having resistances of 3 Omega, 4 Omega and 6 Omega are...

    Text Solution

    |

  8. The two resistors when connected together show maximum value of resist...

    Text Solution

    |

  9. Answer the following question: You must have seen a waterfull. Which ...

    Text Solution

    |

  10. Using the internet find out about the different softwares used to solv...

    Text Solution

    |

  11. Solve the cross-word. Across 2. A combination of resistances that r...

    Text Solution

    |

  12. Choose the correct alternative. Resistivity of a wire of length L is...

    Text Solution

    |

  13. Choose the correct alternative. If the effective resistance is to be...

    Text Solution

    |

  14. Choose the correct alternative. If three resistors, having values 2 ...

    Text Solution

    |

  15. Choose the correct alternative. In combination of resistors, the cur...

    Text Solution

    |

  16. Answer the following. Find the odd one out and justify your answer. ...

    Text Solution

    |

  17. Answer the following. Complete the given analogy. Series combinatio...

    Text Solution

    |

  18. Answer the following. Match the columns.

    Text Solution

    |

  19. Answer the following. Name the following. A device used to measure ...

    Text Solution

    |

  20. Give scientific reasons. Why does a thick wire have low resistance?

    Text Solution

    |