25/08/2021
https://youtu.be/D7stLgZXJNM
like ,share & subscribe for more vedios
this channel is for physics classes for 11th,12th boards & competitive exams
Mobility,relation b/w drift velocity & current ; lecture:2nd;class:12th/preetu mam https://youtube.com/playlist?list=PLmbRQkxIKVyZPkd3inYcpMLCeG4KO7Itq******link of ray opticslink of mcq of 12th https://youtube.com/playlist?list=PLmbRQkxIKV...
21/06/2021