Two wires are made of the same material and have the same volume. However, wire 1 has cross sectional area A and wire 2 has cross‐sectional area 3A. If the length of wire 1 increases by 
on applying force F, how much force is needed to stretch wire 2 by the same amount?
Text Solution
Verified by ExpertsThe correct answer is:
D
Two wires have same volume
Length of wire 
Length of wire 
Area of wire 
Area of wire 
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