A wire of length L, Area of cross-section A, Young modulus of elasticity Y and coefficient of linear expansion a is heated up to t°C. Force experience on wire will be :
A. γAαt
B. γAαLt
C. tALα
D. \(\frac{t \alpha \mathrm{L}}{\mathrm{A}}\)
Answer:A
A wire of length L, Area of cross-section A, Young modulus of elasticity Y and coefficient of linear expansion a is heated up to t°C. Force experience on wire will be :
A. γAαt B. γAαLt C. tALα D. \(\frac{t \alpha \mathrm{L}}{\mathrm{A}}\)