In a process on a system, the initial pressure and volume are equal to the final pressure and volume
a) The initial temperature must be equal to the final temperature
b) The initial internal energy must be equal to the final internal energy
c) The net heat given to the system in the process must be zero

Options

A. Only a, b are correct
B. only b, d are correct
C. only c, d are correct
D. only b, c are correct

Answer

A