Q 14/60 Four point charges are placed on vertices of a
square of side 1 m as shown in the figure. The net
electric field at the centre of square is (consider Sl unit)
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Given :
Length of side of a square = 1m
To Find :
The electric field at center of the square = ?
Solution :
The electri field comes outward for a positive charge.As all the charges are positive the field comes outwards.
The four charges are equal and have same magnitude of charge,so they will produce same amount of electric field at center
The direction of electric field produced at center by two charges present at diagonals is opposite in direction so the charges get cancelled
The resultant electric field at the center is zero
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