In an experiment, brass and steel wires of length 1 m each with areas of cross section 1 mm2 are used . the wires are connected in series and one end of the combined wire is conneced to a rigid support and other end is subjected to elongation The stress required to produce a net elongation of 0.2mm is, [Given ,the young 's Modulus for steel and brass are respectively ,]
Work Done in Stretching Wire / Elastic P.E. -
- wherein
L - Length of wire
- increase in length
Option 1)
Option 2)
Option 3)
Option 4)
Study 40% syllabus and score up to 100% marks in JEE