Home
Class 12
PHYSICS
Two wires A and B of same material have...

Two wires A and B of same material have radii in the ratio `2:1` and lengths in the ratio `4:1`. The ratio of the normal forces required to produce the same change in the lengths of these two wires is

A

`1:1`

B

`2:1`

C

`1:2`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|15 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|2 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE|Exercise Try Yourself|32 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE|Exercise SECTION - J|9 Videos

  • Mock test 03

    AAKASH INSTITUTE|Exercise EXAMPLE|37 Videos

Similar Questions

Explore conceptually related problems

Two wires 'A' and 'B' of the same material have radii in the ratio 2:1 and lengths in the ratio 4:1 . The ratio of the normal forces required to produce the same change in the lengths of these two wires is

Two wires made of same material have lengths in the ratio 1:2 and their volumes in the same ratio. The ratio of their resistances is

Two wires of the same material having radii in the ratio 1:2 , carry currents in the ratio 4:1 . The ratio of drift velocities of electrons in them is:

Two wires A an dB of the same material, having radii in the ratio I : 2 and carry currents in the ratio 4: I. The ratio of drift speed of electrons in A and Bis :

Two wires of the same material have resistances in the ratio 16 : 81 and lengths in the ratio 1 : 4 . Compare their radii of cross-section.

Two wires made of same material have their lengths are in the ratio 1:2 and their masses in the ratio 3:16 the ratio of resisstance of law wires is

AAKASH INSTITUTE-MECHANICAL PROPERTIES OF SOLIDS-Assignment (SECTION - A)
  1. A wire of length L and cross-sectional area A is made of material of Y...

    Text Solution

    |

  2. A spherical ball contracts in volume by 0.01% when subjected to a norm...

    Text Solution

    |

  3. What is the percentage increase in length of a wire of diameter 2.5 mm...

    Text Solution

    |

  4. Two exactly similar wires of steel and copper are stretched by equal f...

    Text Solution

    |

  5. Which of the following is the graph showing stress-strain variation f...

    Text Solution

    |

  6. A steel rod has a radius 10 mm and a length of 1.0 m. A force stretch...

    Text Solution

    |

  7. Two wires of equal length and cross sectional area suspended as shown ...

    Text Solution

    |

  8. When a wire is stretched to double its length, then

    Text Solution

    |

  9. Select the correct alternative (s)

    Text Solution

    |

  10. A metallic rod of length l and cross - sectional area A is made of a m...

    Text Solution

    |

  11. The Poisson's ratio of a material is 0.5. If a force is applied to a w...

    Text Solution

    |

  12. The load versus extension graph for four wires of same material is sh...

    Text Solution

    |

  13. A uniform cylindrical rod of length L, cross-section area A and Young'...

    Text Solution

    |

  14. One end of a wire of length L and weight w is attached rigidly to a po...

    Text Solution

    |

  15. In the given Fig. 7(CF).2, if the dimensions of the two wires are the ...

    Text Solution

    |

  16. If the Bulk modulus of lead is 8.0xx10^(9)N//m^(2) and the initial den...

    Text Solution

    |

  17. Two wires A and B of same material have radii in the ratio 2:1 and le...

    Text Solution

    |

  18. For a given material, Young's modulus is 2.4 times that of rigidity mo...

    Text Solution

    |

  19. When the temperature of a gas is 20^(@)C and pressure is changed from ...

    Text Solution

    |

  20. The stress versus strain graphs for wires of two materials A and B are...

    Text Solution

    |