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1 We have seen that the electric field inside a uniformly charged sphere is linear in r the distance from the centre Since the region of intersection is interior to both the spheres at a point P in. Physics 2415 Lecture 7. Michael Fowler, UVa. Today’s Topics. Field lines and . equipotentials. Partial derivatives. Potential along a line from two charges. Electric breakdown of air. Potential Energies Just Add. Physics 2102. Gabriela Gonz. á. lez. Physics 2102 . Electric potential energy, . electric potential. Electric potential energy. of a system = . = . -. work (against electrostatic forces) needed to needed to build the system . Objective: TSW understand, transfer and apply energy concepts to electric fields and charges by solving problems involving electric fields and forces.. Let’s revisit energy concepts for a gravitational field. A 250 gram baseball is thrown upward with an initial velocity of 25m/s. What is the maximum height reached by the ball?. Physics 2102. Gabriela Gonz. á. lez. Physics 2102 . Electric Potential on Perpendicular Bisector of Dipole. You bring a charge of -3C from infinity to a point P on the perpendicular bisector of a dipole as shown.. Introduction to Physics II. . Class 11 – . Outline:. Finishing Chapter 26 on dipoles... Electric . Potential Energy of: . Point . Charges. Dipoles. Electric . Potential: . V. Voltage: . Δ. V. Which dipole experiences no net force in the electric field? . A.S. 5.1.1 – 5.1.4 due Monday. Reading reference: chapter 16. Question 16.1a. . Electric Potential Energy I . a). . proton. b). . electron. c). . both feel the same force. d) neither – there is no force. Physics 2415 Lecture 6. Michael Fowler, UVa. Today’s Topics. Some reminders about gravity: . mgh. and its electric cousin. Inverse square law and its potential. Field lines and . equipotentials. What is . electric . potential?. How does it relate to . potential energy. ?. How . does it relate to . electric field. ?. Some simple applications. Electric potential. What does it mean when it says “1.5 Volts” on the battery?. 1. When the balloon is rubbed on the sweater, what might happen?. A. . Some positive charges in the sweater will move onto the balloon. B. Some negative charges in the sweater will move onto the balloon. . Class 11 – . Outline:. Finishing Chapter 26 on dipoles... Electric . Potential Energy of: . Point . Charges. Dipoles. Electric . Potential: . V. Voltage: . Δ. V. Which dipole experiences no net force in the electric field? . Phys. 222 – Supplemental Instruction. Do you know all the following?. Electric Charge. Coulomb’s law. Charged objects’ behavior. Conductors, Insulators, Polarization. Electric Charge Interaction. Gabriela Gonz. á. lez. Physics 2102 . Electric potential energy, . electric potential. Electric potential energy. of a system = . = . -. work (against electrostatic forces) needed to needed to build the system . Gabriela Gonz. á. lez. Physics 2102 . Electric Potential on Perpendicular Bisector of Dipole. You bring a charge of -3C from infinity to a point P on the perpendicular bisector of a dipole as shown.. E. 1 . = E. 2 . = E. 3. free fall. cord. extending. h. 1. h. 2. max velocity at this position. e. For max velocity need. Bridge A: h. 1. = 160 m . e. max. = 80 m. Put in numbers to find position at which max velocity occurs e, then find .