bargh-sanat.irbargh-sanat.ir/wp-content/uploads/2018/04/daftarche97arshadBargh… · to pull the...
41
bargh-sanat.irbargh-sanat.ir/wp-content/uploads/2018/04/daftarche97arshadBargh… · to pull the free electrons and holes away from the junction. This makes it even harder for them