State Kirchoff’slaw ,derive the integrated Kirchoff’seq. Help in 1st law of therma dyanamics Posted on February 11, 2017 by admin State Kirchoff’slaw ,derive the integrated Kirchoff’seq. Help in 1st law of therma dyanamics READ ALSO : OBSERVATIONAL STUDY: Cardiovascular Risk and Events in 17 Low-, Middle-, and High-Income Countries