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:A
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