Fluctuations of entropy production in partially masked electric circuits Kuan-Hsun Chiang, Chia-Wei Chou, Chi-Lun Lee, Pik-Yin Lai and Yung-Fu Chen EPL, 113 3 (2016) 30001 Published online: 23 February 2016 DOI: 10.1209/0295-5075/113/30001