diff --git a/Elektrotechnika/Ćwiczenia/20221209102007.md b/Elektrotechnika/Ćwiczenia/20221209102007.md
index 5e8434b..609f479 100644
--- a/Elektrotechnika/Ćwiczenia/20221209102007.md
+++ b/Elektrotechnika/Ćwiczenia/20221209102007.md
@@ -7,4 +7,14 @@
 ![[20221209102007 2022-12-09 10.56.09.excalidraw]]
 
 
-![[20221209102007 2022-12-09 11.06.42.excalidraw]]
\ No newline at end of file
+![[20221209102007 2022-12-09 11.06.42.excalidraw]]
+
+
+
+Rx=Rt Et/4Rt
+
+Et 
+
+
+
+# 3