Question

Four charges +10 nC, - 20 nC, +10 nC and -20 nC respectively are placed at the corners
A, B, C and D of a square ABCD of side 1 m. Calculate the resultant electric field at the centre of the square.​

Answer 1

its easy check ur basics and then try to solve it again

Answer 2

Answer:

upr Dekho upr

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