In the figure the four particles are fixed in place and have charges g1 = 92 = 4e, 93 = 2e, and 94 = -8e. Distance d = 3.85 pm. What is the magnitude of the net electric field at point P due to the particles? 4

In the figure the four particles are fixed in place and have charges 91 = 92 = 4e, 93 = 2e, and 94 = -8e. Distance d = 4.68 μm. What is the magnitude of the net electric field at point P due to the particles? 91 P 93 92 94

Four point charges, q1 = 8.2 uC, q2 = -7.8 uC, q3 = 1.7 uC and q4 = -5.9 uC, are arranged in a square with side lengths L = 7.5 cm. What is the magnitude of the electric field at the centre of the square?

In the figure the four particles form a square of edge length a = 5.10 cm and have charges q₁ = 7.81 nC, q2 = -19.6 nC, 93 = 19.6 nC, and 94 = -7.81 nC. What is the magnitude of the net electric field produced by the particles at the square's center? 191 Number i 92 -X Units

In the figure, the four particles are fixed in place and have charges q, = q2= 5e, q3 = 3e, and q4 = -12e (e = 1.6 × 10-19 C). Distance d= 5.0 µum. What is the magnitude of the net electric field at point P due to the particles? 4 Give your answer in N/C. (ke = /4ne, = 9.0 × 10° Nm²/C²)

In the figure particle 1 (of charge +7.58 mC), particle 2 (of charge +7.58 mC), and particle 3 (of charge Q) form an equilateral triangle o edge length a. For what value of Q (both sign and magnitude) does the net electric field produced by the particles at the center of the triangle vanish? Number i Units C-m

Three charges are on the plane (x,y) as reported on the picture. The two charges q on the x-axis are equal and at distance of 8 cm from the origin. The charge on the y-axis is negative and 3q and it is at 16 cm from the origin. Determine the x component of the electric field at the point P (0,5) cm. q P -39 q