The electrode model of corona plasma discharge theory for current–voltage characteristics case in airAsep Yoyo Wardaya, Zaenul Muhlisin, Jatmiko Endro Suseno, Qidir Maulana Binu Soesanto, Muchamad Azam, Evi Setiawati and Susilo HadiEur. Phys. J. Appl. Phys., 97 (2022) 22DOI: https://doi.org/10.1051/epjap/2022210252