The force required to stretch a wire 2 c...

The force required to stretch a wire `2 cm^2` in area to`2%` its length is `(Y=9xx10^9P_a)`.

`3xx10^4N`

`3.6xx10^8N`

`3.6xx10^4N`

`3.6xx10^5N`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CIRCULAR MOTION
PATHFINDER|Exercise QUESTION BANK|127 Videos
GRAVITATION
PATHFINDER|Exercise QUESTION BANK|222 Videos

Similar Questions

Explore conceptually related problems

Cross sectional area of a steel wire is 1 cm^2 .How much force is required to increase its length to twice its initial length? Young's modulus for steel is 2 times 10^12 dyn.cm^-2 .

The cross-sectional area of a steel rod of length 25 cm is 0.8 cm^(2) . What tension will be required to incresase the length of the rod, equal to the increase due to its rise in temeprature by 10^(@)C ? For steel, Y=2 times 10^(12)dyn*cm^(-2) " and " alpha=10^(-5@)C^(-1) .

Find the potential at the centre of a square of side sqrt2 m which carries at its four corners cahrges +2xx10^-9C+1xx10^-9C +3xx10^-9C and +4xx10^-9C .

What will be the increase in length of a wire of length 10 m undergoing a strain of 0.001%? If the cross sectional area of the wire 2mm^2 and the load applied at its end is 1 kg, then calculate the stress developed in dyn.cm^-2 .

A metallic wire of specific resistance s is stretched in such a way that its length is doubles and area of cross section is halved Then the specific resistance of the wire will be

Find the potential at the centre of a square of side sqrt(2)m which carries at its four corners charges +2 xx 10^(-9)C, +1 xx 10^(-9)C, -2 xx 10^(-9)C and +3 xx 10^(-9)C .

Keeping one end of a wire of length L and radius r fixed, a force F is applied at the other end to elongate it by l. Another wire made of same material but of length 2L and radius 2r is stretched by a force 2F. Its increase in length will be

A wire of uniform cross section has a resistance of 9 Omega . It is cut into three equal pieces. Each piece is stretched uniformly to three times its length and all the three stretched pieces are connected in parallel.Assuming that stretching of wire does not cause any change in density of their material ,calculate the total resistance of the combination described.

PATHFINDER-ELASTICITY-QUESTION BANK

A wire of length L and radius r is clamped rigidly at one end. When th...
Text Solution
|
A heavy uniform rod is now hangs vertically from a fixed support. It i...
Text Solution
|
The force required to stretch a wire 2 cm^2 in area to2% its length is...
Text Solution
|
The ratio of normal stress to volume strain is known as
Text Solution
|
A spring has a force constant k. If it is cut into n equal parts the f...
Text Solution
|
A small trolley of mass 2kg resting on a horizontal frictionless turnt...
Text Solution
|
A long spring is stretched by x cm and its potential energy is U .If t...
Text Solution
|
If S is stress and gamma is Young's modulus of material of a wire,the ...
Text Solution
|
Two copper wires have their masses in the ratio 2:3 and the lengths in...
Text Solution
|
Two springs P and Q of force constants K1 and K2 are stretched by appl...
Text Solution
|
A wire of length L and cross-sectional area A is made of a material of...
Text Solution
|
When a metal wire elongates by hanging a load on it, the fractional ch...
Text Solution
|
The length of a wire is l1 when tension is T1 and l2 when tension is T...
Text Solution
|
Rigidity modulus of liquid is
Text Solution
|
A spring of force constant K is cut into two pieces in the ratio 1:2...
Text Solution
|
The density of water at the surface of ocean is rho . If the bulk mod...
Text Solution
|
For most of the metals the Young's modulus is n times the rigidity mo...
Text Solution
|
An ideal spring with spring constant K=200N//m is fixed on one end on ...
Text Solution
|
Which of the following substances has highest elasticity ?
Text Solution
|
Which of the following is the most elastic ?
Text Solution
|