Electrical Potential Energy and Electric Potential ** On a clear day the electric eld in the atmosphere near the earth's surface is 1.00 X 10'2 NC, directed vertically downward. Part 1 If we adopt the convention that the potential at the earth's surface is 0.00, what is the potential 167 m above the surface? Part 2 'What is the potential at the top of Pike's Peak, 14, 1 10 it above sea level? Part 3 ll 'What is the potential at the top ofa man's head ifthe man is 2.00 m tall and is standing? Submit Answer Electrical Potential Energy and Electric Potential ** The gure below shows two point charges (11 = 3.50 X 103 C and (12 = 7.00 X 108 C. 10.0 20.0 Find the potential at A. Find the potential at B. Find the potential difference VA - VB. 3 Capacitance ** A 4.00 X 1010 F capacitor has parallel plates with dimensions 11.0I cm x 16.0 cm and a vacuum between the plates. Find the distance between the plates. 1 \\ Apotential difference of 81.0 V is applied to the plates. Find the charge and the magnitude of the eld between the plates. Find the charge on the plates. Find the magnitude of the eld between the plates. Su bmil Answer Capacitance ** A 0.700 ,uF capacitor is connected in parallel with a 1.80 pF capacitor. The 0.700 ,uF capacitor carries a charge of 10.0 ,uC on one plate, which is at a potential of 50.0 V. Find the potential on the negative plate of the 0.700 11F capacitor. Find the equivalent capacitance of the two capacitors. Find the charge on the negative plate of the 1.80 p]? capacitor. \f*** Capacitance Three identical isolated capacitors, each with capacitance C, are connected in parallel, with a 12.0 V potential di'erence across their plates. Each capacitor carries a charge of 6.50 ,uC. Find C. Find the equivalent capacitance. Suppose that one of the capacitors is rst disconnected and. then reconnected with its terminals reversed. Find the nal voltage drop across the capacitors