The two charges shown in the figure are spaced by a distance d = 2.00 cm. a) Find the electric potential at point A. b) Find the electric potential at point B, which is half the distance between the charges.

3. There are four point charges at each corner of a square of side L. Find the magnitude and direction of the force on the charge -2Q in terms of Q and L. Q L -2Q L 3Q L L Q

The electric potential difference between the ground and a cloud in a particular thunderstorm is 5.4 x 10⁹ V. What is the magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud? Number i Units

Required information Three point charges are fixed in place in a right triangle, as shown in the figure. +0.800 μC L. -0.600μ C +1.00μC where y = 8.20 cm and z= 9.20 cm. What is the magnitude of the electric force on the +1.00-μC charge due to the other two charges? N