Coefficient of isothermal elasticity `E_(theta)` and coefficient of adiabatic elasticity `E_(phi)` are related by `(gamma = C_(p) //C_(v))`
A. `E_(theta) = gamma E_(phi)`
B. `E_(phi) = gamma E_(theta)`
C. `E_(theta) = gamma//E_(phi)`
D. `E_(theta) = gamma^(2)E_(phi)`
