Question

A cylindrical steel rod of length L, Young's modulus
Y, radius r and coefficient of linear expansion a is
stretched horizontally without tension between two
rigid supports at t°C. When the temperature is
increased to t + At°C, the tension developed in the
wire will become
Yaraat
(1) Ytraat
(2)
1+ αΔt
(3) Zero
(4)
Yaraat
1- aat​

Answer 1

Answer:

Yara raymond and brightening her adrenaline and brightening up the word

Explanation:

Yara at science museum in pantry and the other day of the year