Electric field intensity at the center of a square is _____ if +20 esu – McqOptions

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1.	Electric field intensity at the center of a square is _____ if +20 esu charges are placed at each corner of the square having side-length as 10 cm.
A.	0
B.	0.4 dyne/esu
C.	2 dyne/esu
D.	1.6 dyne/esu
Answer» B. 0.4 dyne/esu

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