Home
Class 12
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

9F

B

6F

C

4F

D

F

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Two wires A and B are made of same material and are having same weights. The strain in A will be more when

Two wires of the same material and of the same diameter have their lengths in the ratio 1:3 and are under tension in the ratio 1:4 Compare their fundamental frequencies.

Two wires A and B of the same material are of uniform cross-section. Wire A is twice as long B and its diameter is thrice that of B. If the resistance of wire A is 10 ohm, find that of wire B.

The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied

Two wires W_(1) and W_(2) are made of same material and have the same length. The radius of cross-section of W_(2) is twice that of W_(1). Same load is suspended from both of them. If the strain in W_(1) is 4, then that in W_(2) will be

The diameter of iron sphere is 6 cm. It is melted and drawn into a wire having diameter of the cross section as 0.2 cm. Find the length of the wire.

A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is

Two wires A and B are stretched by the same load. If the area of cross-section of wire 'A' is double that of 'B,' then the stress on 'B' is

Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the same force, then increase in length will be in the ratio

P and Q are two wires of same length and different cross sectional areas and made of same material. Name the property which is same for both the wires.