Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

A copper wire and a steel wire having the same cross-section area are fastened end to end stretched by a force F. the lengths of copper and steel wires are in the ratio of 2:1 and their moduli of elasticity are in the ratio of 1:2. What is the ratio of their extensions? (a) 1:2 (b) 4:1 (c) 2:1 (d) 1:4

A copper wire and a steel wire having the same cross-section area are fastened end to end stretched by a force F. the lengths of copper and steel wires are in the ratio of 2:1 and their moduli of elasticity are in the ratio of 1:2. What is the ratio of their extensions?
(a) 1:2 (b) 4:1
(c) 2:1 (d) 1:4

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is option b

Regards
Vikas TU
14149 Points
11 months ago
e=MgL/πr^2Y
∴ec/es=Lc/Ls×Ys/Yc=2/1×2/1=4/1=4:1
Good Luck …............................................................

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free