a 7. Will the electric potential energy U₂ increase or decrease? 8. Will the potential of the charge increase or decrease? 9. Under what condition will the electric potential be the opposite of your response in the previous item? 10. A negatively charged particle is moving in the same direction of the electric field. If the kinetic energy for the motion is initially greater than 0, what will happen to the resulting kinetic energy and electric potential?

a 7. Will the electric potential energy U₂ increase or decrease? 8. Will the potential of the charge increase or decrease? 9. Under what condition will the electric potential be the opposite of your response in the previous item? 10. A negatively charged particle is moving in the same direction of the electric field. If the kinetic energy for the motion is initially greater than 0, what will happen to the resulting kinetic energy and electric potential?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 11P: An electron is at the origin, (a) Calculate the electric potential VA at point A, x = 0.250 cm. (b)...

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An electron is at the origin, (a) Calculate the electric potential VA at point A, x = 0.250 cm. (b) Calculate the electric potential VB at point B, x = 0.750 cm. What is the potential difference VB VA? (c) Would a negatively charged particle placed at point A necessarily go through this same potential difference upon reaching point B? Explain.
(a) Find the electric potential difference Ve required to stop an electron (called a stopping potential) moving with an initial speed of 2.85 107 m/s. (b) Would a proton traveling at the same speed require a greater or lesser magnitude of electric potential difference? Explain. (c) Find a symbolic expression for the ratio of the proton stopping potential and the electron stopping potential. Vp/Ve.
FIGURE P26.8 A Find an expression for the electric potential energy associated with each system in Figure P26.8 in terms of the quantities provided on the figure.
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When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is 18.5J . While the capacitor is connected to the power supply, a slab of dielectric is insetted that completely fills die space between the plates. This increases the stored energy by 23.2J . (a) What is the potential difference between the capacitor plates? (b) What is die dielectric constant of the slab?
In a certain region of space, the electric potential is zero everywhere along the x axis. (i) From this information, you can conclude that the x component of the electric field in this region is (a) zero, (b) in the positive x direction, or (c) in the negative x direction. (ii) Suppose the electric potential is +2 V everywhere along the x axis. From the same choices, what can you conclude about the x component of the electric field now?
Rank the potential energies of the lour systems of particles shown in Figure OQ25.5 from largest to smallest. Include equalities if appropriate.