A steel rod whose diameter is 2 cm and is 2 m long experiences change in temperature due to heating. The coefficient of thermal expansion is $$\alpha = 12 \times 10^{-6}/^\circ C$$ and the rod has been restricted in its oriainal posdion The young s modulus is 200 GPa and thermal stress developed is 288 Kipa What is the value change in the temperature ($$^\circ C$$)?

A

50

B

100

C

120

D

150