Home
Class 12
PHYSICS
A metal wire of length L, area of cross-...

A metal wire of length L, area of cross-section A and young's modulus `Y` is stretched by a variable force `F` such that `F` is always slightly greater than the elastic forces of resistance in the wire. When the elongation of the wire is `l`

A

the work done by F is `(YAl^(2))/(2L)`

B

the work done by F is `(YAl^(2))/(L)`

C

the elastic potential energy stored in the wire is `(YAl^(2))/(2L)`

D

no heat is produced during the elongation

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY AND WAVES

    FIITJEE|Exercise Assignment Problems (Objective) Level-I|40 Videos

  • CURRENT ELECTRICITY

    FIITJEE|Exercise Comprehension -4|3 Videos

  • ELECTROMAGNETIC INDUCTION

    FIITJEE|Exercise EXERCISE|9 Videos

Similar Questions

Explore conceptually related problems

A metal wire of length L, area of cross-section A and Young's modulus Y behaves as a spring of spring constant k.

If a metal wire of length L , having area of cross-section A and Young's modulus Y , behaves as a spring constant K . The value of K is

If a metal wire of length L, having area of cross-section A and young' s modulus Y . Behave as a spring of spring constant K. The value of K is

A wire of length l, area of cross section A and Young’s modulus of elasticity Y is stretched by a longitudinal force F. The change in length is Deltal Match the following two columns.

A force F doubles the length of wire of cross-section a The Young modulus of wire is

A wire of length L and area of cross section A is made of a material of Young's modulus Y. If it is stretched by an amount x, the work done is given by

A wire of uniform cross-sectional area A and young's modulus Y is stretched within the elastic limits. If s is stress in the wire, the elastic energy density stored in the wire in terms of the given parameters is

A block of mass M is suspended from a wire of length L, area of cross-section A and Young's modulus Y. The elastic potential energy stored in the wire is