Question

7. Three point-like charges are placed at the corners of a rectangle as shown in the figure, a = 30.0 cm and b = 66.0 cm. Find the minimum amount of work required by an external force to move the charge q to infinity. Let q = −2.30 µC, q = −3.20 µC, q = +5.10 µC.
in J

93 0.0 - - - - - - - b - - - - - - -O a.

8. Four point-like charges are placed as shown in the figure, three of them are at the corners and one at the center of a square, 44.0 cm on each side. What is the electric potential at the empty corner? Let q₁ = q₃ = +24.0 µC, q₂ = −40.0 µC, and q₄ = −43.0 µC.
in V

Answer 1

o charges are not specified clearly 8) q= -404C wa K Uz = 2446 9:43 hec a, 22446 V = V, tv2 tbz tv4 als St % + = 4 426 a 426d 496 a 4760/12a) - akte [ 24 - 4+24 – 436] V = -840.6X103V Scam TVT CamScanner