When radius of wire is doubled, the elon...

When radius of wire is doubled, the elongation `dl` of the wire

is doubled

remains same.

becomes half.

becomes one fourth

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELASTICITY
TARGET PUBLICATION|Exercise Competitive Thinking|69 Videos
ELASTICITY
TARGET PUBLICATION|Exercise Evaluation test|14 Videos
ELASTICITY
TARGET PUBLICATION|Exercise Evaluation test|14 Videos
CURRENT ELECTRICITY
TARGET PUBLICATION|Exercise Evaluation Test|6 Videos
ELECTROMAGNETIC INDUCTION
TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

Similar Questions

Explore conceptually related problems

A constant voltage is applied between two ends of a metallic wire. If the length is halved and the radius of the wire is doubled, the rate of heat developed in the wire will be:

A wire extends by 1 mm when a force a applied. Double the force is applied to another wire of some material and length but half the radius of cross-section. The elongation of the wire in mm will be

A steel wire is stretched by 1 kg wt . If the radius of the wire is doubled, its Young's modulus will

A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire

A constant voltage is applied between the two ends of a metallic wire . If both the length and the radius of the wire are doubled , the rate of heat developed in the wire will

In the following diagram, the lengths of wires AB and BC are equal, but the radius of wire AB is double that of BC. The ratio of potential gradient on wires AB and on BC will be (wires are made of same material)

A wire is loaded by 6 kg at its one end, the increase in length is 12 mm. If the radius of the wire is doubled and all other magnitudes are unchanged, then increase in length will be

A wire is loaded by 6 kg at its one end, the increase in length is 12 mm . If the radius of the wire is doubled and all other magnitudes are unchanged, then increase in length will be

A metal wire of length L is suspended vertically from a rigid support. When a bob of mass M is attached to the lower end of wire, the elongation of the wire is l:

TARGET PUBLICATION-ELASTICITY-Critical Thinking

Assertion : Two wires A and B have the same cross-sectional area and a...
Text Solution
|
The length of a rubber cord doubles, when stretched. Its Young's modul...
Text Solution
|
When radius of wire is doubled, the elongation dl of the wire
Text Solution
|
A wire of length L extends by l on application of force F. Suppose the...
Text Solution
|
The area of cross section of a steel wire (Y=2.0 xx 10^(11) N//m^(2)) ...
Text Solution
|
Two identical wires of materials are joined together and subjected to ...
Text Solution
|
A 20 N stone is suspended from a wire and its length changes by 1%. I...
Text Solution
|
Two wires of different materials having Young's moduli in the ratio 3 ...
Text Solution
|
When a certain weight is suspended from a long uniform wire, its lengt...
Text Solution
|
The length of a copper wire increases by 0.01 metre, when it is loaded...
Text Solution
|
A copper wire and a steel wire of same length and same cross-section a...
Text Solution
|
Two pieces of wires A and B of the same material have their lengths in...
Text Solution
|
Length of an elastic string is x then tension 5N is applied and its le...
Text Solution
|
A uniform rod of cross-section 4 mm^(2) is heated from 0^(@)C " to "1...
Text Solution
|
A steel of Xkg-wt//m^(2) is applied to a wire whose Young's modulus is...
Text Solution
|
A steel wire 2 mm in diameter is just stretched between two fixed poin...
Text Solution
|
The ratio of lengths of two rods A and B of same material is 1:2 and t...
Text Solution
|
The backlash error can be elimintated in Searle's experiment, by rotat...
Text Solution
|
To lift a load by a metallic rope, its radius of cross-section should ...
Text Solution
|
Which of the following relations is incorrect for the sag(delta) of be...
Text Solution
|