Question

. Four charges of +q, +q +q and +q are placed
at the corners A, B, C and D of a square.
The resultant force on the charge at D
2.
1)
2q?
(1+ 2-2) 2)
pipa²
2
q?
8p Î.
97
2.
o a
22
3)
4) Zero
8p Ì, a?​

Answer 1

Answer:

zero, because this force is balanced at all points of square