Home
Class 12
PHYSICS
The force constant of a wire is k and th...

The force constant of a wire is k and that of another wire is . 2k When both the wires are stretched through same distance, then the work done

A

`W_2=0.5" "W_1`

B

`W_2=W_1`

C

`W_2=2W_1`

D

`W_2=2W_1^2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The ratio of the lengths of two wires A and B of same material is 1 :2 and the ratio of their diameters is 2:1. They are stretched by the same force, then the ratio of increase in length will be

Two wires of the same material and the same cross section are stretched on a sonometer in seccuession. Length of one wire is 60 cm and that of the other is 30 cm. An unknown load is applied to the first wire and second wire is loaded with 1.5 kg. if both the wires vibrate with the same fundamental frequencies, calculate the unknown load.

The length of a wire is l_A when the tension in it is T_A and of another wire is l_B when the tension is T_B . The original length of the wire is

Two strings A and B have force constants k_1 and k_2 respectively. The ratio of the work done on A to that done on B when they are stretched by the same force is

When a force is applied along the length of the wire

The ratio of radii of two wires of same material is 2 : 1. If they are stretched by the same force, the ratio of their stress is

The Young's modulus of steel is twice that of brass. Two wires of the same length and of the same area of cross section, one of steel and another of brass are suspended from the same roof. If we want the lower ends of the wires to be at the same level, then the weight added to the steel and brass wires must be in the ratio of

A wire of resistance 1000 Omega is uniformly stretched so that its length increases by 5% . Assuming that the volume of the wire remains the same on stretching, find the resistance of the wire after stretching.

Answer the following questions : What is the effect on the magnetic needle in Oersted's experiment, when (1) a current is passed through the wire (2) the current through the wire is increased (3) the current through the wire is stopped (4) the current through the wire is reversed (5) the distance between the magnetic needle and the wire is increased, keeping the current through the wire constant ?