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(a) 2:1(b) 1:4(c) 1:8(d) 8:1
Amit Saxena , 11 Years ago
Grade upto college level
1 Answers
Arun Kumar
Last Activity: 10 Years ago
Hello Student,
elongation is proportional to lenght / Area
=>lenght/radius^2
=>elong. A/elong. B=1*4/2*1=2/1=2:1
Thanks & Regards
Arun Kumar, Btech, IIT delhi
Askiitians Faculty
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free