Home
Class 11
PHYSICS
Two wires are made of the same material ...

Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire 2 has cross-sectional area 3A. If the length of wire 1 increases by `Deltax` on applying force F, how much force is needed to stretch wire 2 by the same amount?

A

6F

B

9F

C

F

D

4F

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN|Exercise Exercise 5 B (MCQ)|13 Videos
  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN|Exercise Exercise 5 B (Multiple correct answers)|2 Videos
  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN|Exercise Exercise 4 B (Bran storming Subjective Exercise)|15 Videos
  • CENTRE OF MASS

    ALLEN|Exercise EXERCISE-V B|19 Videos
  • ERROR AND MEASUREMENT

    ALLEN|Exercise Part-2(Exercise-2)(B)|22 Videos

Similar Questions

Explore conceptually related problems

Two wires are made of the same material and have the same volume. However, wire 1 has cross-sectional area A and wire 2 has cross-sectional area 3A . If the length of wire 1 increases by /_\x on applying force 1 newton, how much force is needed to stretch wire 2 by the same amount?

Two wires are made of the same material and have the same volume. However wire 1 has cross-section area A and wire 2 has cross-section area 3A. If length of wire 1 increased by

Two wires A and B of the same material and having same length, have their cross-sectional areas in the ratio 1:4 . what should be the ratio of heat produced in these wires when same voltage is applied across each ?

Two wires A and B of the same material and having same length, have their cross-sectional areas in the ratio 1 : 6 . what should be the ratio of heat produced in these wires when same voltage is applied across each ?

Two wires of the same materical having equal area of cross-section have L and 2L. Their respective resistances are in the ratio

Two wires of same material and length have the radii of their cross sections as r and 2r, respectively. The ratio of their resistances

Two wires of same material have lengths, L and 2L and cross-sectional area 4A and A, respectively. The ratio of their resistances would be

ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 5 A (Previous year Questions)
  1. A spherical solild of volume V is made of a material of density rho(1)...

    Text Solution

    |

  2. A jar is filled with two non-mixing liquids 1 and 2 haivng densities r...

    Text Solution

    |

  3. A capillary tube (A) is dipped in water. Another identical tube (B) is...

    Text Solution

    |

  4. A spherical solild of volume V is made of a material of density rho(1)...

    Text Solution

    |

  5. Two wires are made of the same material and have the same volume. Howe...

    Text Solution

    |

  6. A ball is made of a material of density rho where rho(oil)ltrholtrho(w...

    Text Solution

    |

  7. Water is flowing continuously from a tap having an internal diameter 8...

    Text Solution

    |

  8. Work done in increasing the size of a soap bubble from a radius of 3cm...

    Text Solution

    |

  9. Two mercury drops (each of radius r) merge to form a bigger drop. The ...

    Text Solution

    |

  10. if a ball of steel (density rho=7.8 g//cm^(3)) attains a terminal velo...

    Text Solution

    |

  11. A thin liquid film formed between a U-shaped wire and a light slider s...

    Text Solution

    |

  12. There is a circular tube in a vertical plane. Two liquids which do not...

    Text Solution

    |

  13. On heating water, bubbles being formed at the bottom of the vessel det...

    Text Solution

    |

  14. If it takes 5 minutes to fill a 15 litre bucket from a water tap diame...

    Text Solution

    |

  15. If two glass plates have water between them and are separated by very ...

    Text Solution

    |

  16. Consider a water jar of radius R that has water filled up to height H ...

    Text Solution

    |

  17. A uniformly tapering conical wire is mae from a material of young's mo...

    Text Solution

    |

  18. A simple pendulum made of bob of mass m and a metallic wire of neglig...

    Text Solution

    |

  19. Which of the following optiona correctly describes the variation of th...

    Text Solution

    |

  20. A bottle has an opening of radius a and length b. A cork of length b a...

    Text Solution

    |