In an environment, brass and steel wires of length 1 m each with areas of cross section 1mm² are used. The wires are connected in series and one end of the combined wire is connected to a rigid support and other end is subjected to elongation. The stress required to produce a net elongation of 0.2 mm is, [Given, the Young's Modulus for steel and brass are, respectively, 
and 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2019
Young modulus, 
Let 
be the stress
Total elongation 
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