The ratio of diameters of two wires of same materials is n : 1.The length of each wire is 4 m. On applying the same load, the increase in length of thin wire will be (n>1)
A
n2times
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
n times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2n times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
(2n + 1) times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is An2times
Y=FA△ll=FlA△l
or Y=FlX4πD2X△lor△l∝1D2or△L2△L1=D21D21=n21