21. Find the magnitude of dipole moment of the following
system.
zja suzw suc (first 3 letter ke baad space hata ke dash lagana aur last 3 letter se bhi pehle same hi Krna)
+2q
+39 60°
60°
K
-5q
(1) ga√√21
(2) ga√13
(3) ga√19
(4) Zero
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