E= E1 cos45 +E2+E3*cos45= 2E1 √2/ 2 +E2= √2E1+E2
E1= kq/ r^2, E2= kq/ (r√2)^2
E= √2* kq/ r^2 + kq/ (r√2)^2= kq ( √2 +1/2) / r^2
E= 9*10^9 * ( √2 +1/2) / 0,0625 = 275 * 10 ^9 Н/Кл
E= E1 cos45 +E2+E3*cos45= 2E1 √2/ 2 +E2= √2E1+E2
E1= kq/ r^2, E2= kq/ (r√2)^2
E= √2* kq/ r^2 + kq/ (r√2)^2= kq ( √2 +1/2) / r^2
E= 9*10^9 * ( √2 +1/2) / 0,0625 = 275 * 10 ^9 Н/Кл