What is the change in the internal energy of a system over one complete cycle of a cyclic process?

Change in internal energy of a system is

The change in internaL energy of a system depends on

What is the change in internal energy in an isothermal process?

What is the change in internal energy of a system undergoing a cyclic process, at the end of a cycle ?

What is change in internal energy in isothermal process?

The internal energy of a system can be changed by

Heat equivalent to 50 joule is supplied to a thermodynamic system and 10 joule work is done on the system. What is the change in the internal energy of the system in the process ?