Home
Class 12
PHYSICS
The extension of a wire by the applicati...

The extension of a wire by the application of load is `3 mm`. The extension in a wire of the same material and length but half the radius by the same load is

A

12 mm

B

0.75 mm

C

15 mm

D

6 mm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A wire gets stretched by 4 mm due to a certain load. If the same load is applied to a wire of the same material with half length and double the diameter of the first wire. What will be the change in its length.

The length of a copper wire increases by 0.01 metre, when it is loaded with 10 kg weight. Another copper wire of the same length but double the radius is loaded with the same weight. The increase in length of the second wire, in metre, will be

A wire gets stretched by 4mm due to a certain load. If the same load is applied to a wire of same material with half the length and double the diameter of the first wire? What will be the change in its length?

When a certain weight is suspended from a long uniform wire, its length increases by 1 cm . If the same weight is suspended from another wire of the same material and length but having a diameter half of the first one, the increases in length will be

What is the strain in a wire cable of original length 50m, whose length increases by 2.5cm. when a load islifted?

What is the strain in a wire cable of original length 50m whose length increases by 2.5cm when a load is lifted?

Choose correct alternative. The length of four wires are in the ratio 1: 2 :3: 4 . All the four wires are of same material and their radii are also same. If the wires are connected to a battery in succession, then the ratio of currents flowing in them will be A. 1: 2 : 3: 4 B. 4: 3 : 2: 1 C. 12: 6 : 4: 3 D. None of these

The stress in a wire of diameter 2 mm, if a load of 100 g is applied to a wire, is

A graph of force against extension of a wire is plotted. The area under the curve is

The resistance of a wire of length 31.4 m and diameter 1 mm is 20 Omega . Find the resistivity of the material of the wire.