Home
Class 12
PHYSICS
If a copper wire is stretched to make it...

If a copper wire is stretched to make it 0`0.1%` longer, what is the percentage change in its resistance?

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY - I AND II

    PATHFINDER|Exercise QUESTION BANK|244 Videos

Similar Questions

Explore conceptually related problems

A nichrome wire of resisitivity 'rho' is stretched to make it 10% longer .What is the percentage change in its resistance?

A metallic wire is stretched to increase its length by 20% .What will be the percentage change of its resistance?

If a copper wire is stretched to make its radius decrease by 0.15% . then the percentage increase in resistance is approximately

If a conducing wire is stretched to make itself twice longer then what change in the resistance of the wire will be seen if its resistivity and volume remain unchanged ?

What is the percentage of copper in 'tough pitch'?

A wire has a resistance of 16 Omega . It is melted and drawn into a wire of half its length. What is the percentage change in its resistance?

PATHFINDER-CURRENT ELECTRICITY-QUESTION BANK
  1. The 'maximum' power rating of each resistor (2Omega) in the given circ...

    Text Solution

    |

  2. A set of n identical resistors, each of resistance R ohm when connecte...

    Text Solution

    |

  3. Two cells of e.m.f. E1 and E2 have internal resistance r1 and r2. Dedu...

    Text Solution

    |

  4. State kirchoff's rules for current distribution in an electrical netwo...

    Text Solution

    |

  5. A resistance R = 2Omega is connected to one of the gaps in a metre bri...

    Text Solution

    |

  6. The lengths and radii of there wires of same metal are in the rations ...

    Text Solution

    |

  7. State Kricholff's laws of an electrical network. Using Kirchoff's laws...

    Text Solution

    |

  8. Draw circuit diagram to compare emf of two primary cells. Derive the f...

    Text Solution

    |

  9. Which material is used for potentiometer wire and why?

    Text Solution

    |

  10. How can sensitivity of a potentiometer be increased?

    Text Solution

    |

  11. A and B are two points on a circular ring made of uniform wire of resi...

    Text Solution

    |

  12. A uniform wire of resistance R is shaped into a regular n sided polygo...

    Text Solution

    |

  13. A uniform wire of resistance R is shaped into a regular n sided polygo...

    Text Solution

    |

  14. Resistivity of the material of a conductor of uniform area of cross-se...

    Text Solution

    |

  15. Find the equivalent resistance of the network shown in the figure betw...

    Text Solution

    |

  16. An infinite ladder network of resistances is constituted with 1Omega a...

    Text Solution

    |

  17. An infinite ladder network of resistances is constituted with 1Omega a...

    Text Solution

    |

  18. An electric Kettle has two thermal coils. When a current is passed in ...

    Text Solution

    |

  19. If a copper wire is stretched to make it 00.1% longer, what is the per...

    Text Solution

    |

  20. A 24 v battery of internal resistance 4Omega is connected to a variabl...

    Text Solution

    |