Home
Class 12
PHYSICS
The length of a wire is increased by 1 m...

The length of a wire is increased by `1 mm` on the application of a given load. If a wire of the same material, but of length and radius twice that of the first, on application of the same load, extension is

A

2mm

B

4 mm

C

0.5 mm

D

0.25 mm

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 10

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • MODEL TEST PAPER 4

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

A fuse wire with radius 1 mm blows at 1.5 A, The radius of fuse wire of the same material to blow at 3 A will be

A fuse wire with radius 1 mm blows at 1.5 ampere. The radius of the fuse wire of the same material to alow at 3A will be

The following four wires of length L and radius r are made of the same material .Which of these will have the largest extension,when the same tension is applied?

Through which of the two wires, the electric current will flow more easily : (i) a thick wire or (ii) a thin wire of the same material, and of the aame length when connected to the same source ?

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(PHYSICS)
  1. A person swimming at the bottom of a swimming pool looks up to the div...

    Text Solution

    |

  2. There are three Newton's laws of motion namely I, II and III : we can ...

    Text Solution

    |

  3. The length of a wire is increased by 1 mm on the application of a give...

    Text Solution

    |

  4. A car accelerates from rest at a constant rate for some time after wh...

    Text Solution

    |

  5. कोणीय संवेग का विमीय सूत्र होता है :

    Text Solution

    |

  6. An ideal gas of N molecules occupies a volume V. The average kinetic e...

    Text Solution

    |

  7. Coefficient of linear expansion of brass and steel rods are alpha(1) a...

    Text Solution

    |

  8. The thermo-electric power P of a thermocouple is given by

    Text Solution

    |

  9. Unit of self inductance is

    Text Solution

    |

  10. A six volt battery is connected with a resistance. A current of 2 ampe...

    Text Solution

    |

  11. The galvanometer constant of a tangent galvanometer depends upon :

    Text Solution

    |

  12. A unit cube of copper and iron have

    Text Solution

    |

  13. At very low temperature , a semi-conductor becomes

    Text Solution

    |

  14. The resistance of a shunt which should be connected across a galvanome...

    Text Solution

    |

  15. What is a magnet ?

    Text Solution

    |

  16. The susceptibility of a ferromagnetic substance is

    Text Solution

    |

  17. Mention the SI unit of magnetising field.

    Text Solution

    |

  18. The electric flux of a surface enclosing an electric dipole is

    Text Solution

    |

  19. A line joining places of equal declinaiton is called

    Text Solution

    |

  20. Give an example for a ferromagnetic substance.

    Text Solution

    |