STUDY OF THE INFLUENCE OF SURFACE CONTAMINATION ON THE ELECTRICAL PARAMETERS OF A PHOTOELECTRIC BATTERY IN KUMKURGAN CONDITIONS Journal title: International scientific journal Science and Innovation Authors: Abdiev U.B., Yuldoshov B.A., Eshkuvvatov Kh. Subject(s): Archaeology, Arts and Literature, Biological Sciences, Chemistry, Computer and Information Science, Economics, Education, Humanities, Law, Linguistics, Mathematics, Medicine, Philosophy, Physics, Psychology, Social Sciences, Architecture, Agricultural Science