The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges 91 and g2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -3.08 x 10-8 C placed at corner A and then at corner B. EPEA = 5.61e-7 EPEB = -4.79e-7 B 91 = +1.5 x 10-9 c 92 = +4.0 x 10-9c

The potential energy of a -5 10-6 C charge decreases from 10.2 J to 5.2 J when it is moved from point A to point B. What is the change in electric potential between these two points'?

In the figure shown below, q = 2.0 x 10-9 C and d = 1.2 m. The electric potential at point P located at the center of the square is: -2.0q -3.0q d- d •P d d- -2.09 +5.0q

wot is the net electric potential at point P? 91=10.0nC 3,0m 4.0cm P 3.0em 92 - 12.0nc k=9.0x10"Nm? E- k lal e-1.6xloC tcom =10m V=k q

The drawing shows six point charges arranged in a rectangle. The value of q is 4.68 μµC, and the distance d is 0.335 m. Find the total electric potential at location P, which is at the center of the rectangle. Number i +7g d D d 5g Units +3q P 3g d d +5g +7g

A point charge of -8.8 μC is at the origin. What is the electric potential at (3.0 m, 0)? Express your answer using two significant figures. V = Submit Part B V = VE ΑΣΦ 5 Submit Request Answer What is the electric potential at (-3.0m, 0)? Express your answer using two significant figures. V ΑΣΦ C Request Answer C ? ? V V

Three electric charges are places as follows: Charge q1 = 1.4 nC has coordinates x1 = -4.3 m, y1=0 m. %3D Charge q2 = 1.6 nC has coordinates x2 = 3.4 m, y2 = 0 m. %3D Charge q3 =-7.1 nC has coordinates x3 = 0 m, y3 = y m What should the value of y be equal to in order for the electric potential at the origin to be zero? Consider only positive values of y.

The electric potential at a certain point in space is 12 V. What is the electric potential energy of a -3.0 μC charge placed at that point? O -4 µJ O +4 µJ O zero µJ O -36 J O +36 µJ

To move a charged particle through an electric potential difference of 2.0x10-6 V requires 4.8x10-6 J of energy. What is the magnitude of the charge?

A charge -78 pC is placed at the origin and a charge 32 pC is placed at a distance of 5 cm from the origin on the x-axis. Find the location from the origin where the net electric potential is zero. Distance from the origin =? What is the potential energy of a charge 58 μμC placed at a distance of 0 cm from the origin on the x-axis