Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A wire elongates by 
when a load 
is hanged from it. if the wire goes over a pulley and two weights 
each are hung at the two ends, the elongation of the wire will be (in 
)
A
B
zero
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Elongation in the wire 
Elongation in the wire 
Tension in the wire
In first case 
and in second case
As tension in the wire in both the cases are equal therefore elongation in the wire will be equal.
Voltage across bulb before heater is switched on,
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A cube of metal is subjected to a hydrostatic pressure of . The percentage change in the length of…
Two steel wires having same length are suspended from a ceiling under the same load. If the ratio o…
When the temperature of a metal wire is increased from to its length increases by The percentage…
Two different wires having lengths and , and respective temperature coefficient of linear expansi…
Speed of a transverse wave on a straight wire (mass , length and area of cross-section ) is . I…
The elongation of a wire on the surface of the earth is 10 -4 m. The same wire of same dimensions i…