User talk:123.136.196.50

November 2021
Please refrain from making test edits in Wikipedia pages, such as those you made to P–n junction, even if you intend to fix them later. Your edits have been reverted. If you would like to experiment again, please use the sandbox. Thank you. Jc3s5h (talk) 14:16, 24 November 2021 (UTC)