A charged sphere, q1 = 200 nC, is separated from a second charged sphere, q2 = 600 nC, by a distance R12 = 120 nm. What is the potential energy of the two charges? %3D

Four-point charges are on the rim of a circle of radius 10 cm. The charges are (in μC) +0.50, +1.5, −1.0, −0.50. If the electrical potential at the circle’s center due to the +0.5 charge alone is 4.5 × 104 V, what is the total potential at the center due to the four charges combined? a. 18×104 V b.-4.5×104 V c. zero d. +4.5 × 104 V

Two particles of −10 nC each are arranged symmetrically on the x-axis. a) What is the electrostatic force (magnitude and orientation) on each of the two particles? b) What is the net electric field in point P (magnitude and orientation)? c) What is the net electric potential in point P?

1. What is a correct expression for the potential energy of the charge configuration illustrated below? Assume the sphere (of radius R) is uniformly charged. C b 92 kQq kQq, kq,q, А. + + R+а R+b kQq kQq, kq 42 + В. (R+а)? (R+b)? kQq,, kQq, , kq,q, C. + + b a kQq D. a? kq 92 + kQq,, kQq, + ? a Е.

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A particle carrying charge +g is located on the z axis at z=+d. A particle carrying charge-3g is located on the z axis at z=-7d ▸ Part A ▸ ▸ ▾ ▼ Part B Part C Part D At what location on the yaxis with positive coordinate is the potential zera? Express your answer in terms of d. y = Submit Part E O yes O no ROBERSY DE ΓΙ ΑΣΦ 5 Submit Request Answer Are there any locations on the zor y axis where the electrostatic potential is zero for the case where the object at z= 7d carries charge +37 Provide Feedback Ĉ Request Answer ? Next >

Three point charges q1 =-2.00 nC, q2 = +4.00 nC, and q3 = -3.00 nC are placed along the x axis as shown in the illustration. Each charge is separated by a distance d from the next charge. Point P is on the y axis a distance d from the origin. Take d = 0.200 m. What is the electrical potential at point P (relative to infinity) due to these charges? %3D %3D d 91 93 d. d. 92 None above -307kV 210 V 30.7 V 21 V

Three charges are arranged as shown with distance d = 44 cm. What is the potential energy change when the 55 µC charge moves straight up a distance d so that it is straight across from the 33 µC charge? 33 μC d d -77 µC -55 μC

A -2.0 nC charge and a +2.0 nC charge are located on the x-axis at x = -1.0 cm and x = +1.0 cm, respectively.a. At what position or positions on the x-axis is the electric field zero?b. At what position or positions on the x-axis is the electric potential zero?c. Draw graphs of the electric field strength and the electric potential along the x-axis.

The Figure shows cross sections of equipotential surfaces between two charged conductors shown in solid black. Points on the equipotential surfaces near the conductors are labeled A, B, C, D, E, F, G, H, I. What is the magnitude of the electric potential difference between points A and H? How much work is required to move a +6.0 µC point charge from B to A?