Conceptual Physics

23.0 - Introduction An electric charge can exert force on another charge at a distance. No direct contact between the charges is ...

between two charges is proportional to their magnitudes and inversely proportional to the square of the distance between them. O ...

23.2 - Electric fields and Coulomb’s law You can use Coulomb’s law to calculate the strength of the field around a point charge. ...

23.3 - Interactive checkpoint: electric field A point charge rests in an otherwise charge-free region. Locations 1 and 2 are 0.0 ...

23.5 - Interactive problem: fields and forces On the right are two simulations that allow you to explore electric field diagrams ...

Electric field of multiple charges Enet = net electric field Ei= electric field of a charge 23.7 - Drawing field diagrams for mu ...

23.8 - Describing the force exerted by an external electric field In this section, we shift our attention from the field caused ...

What is the acceleration of the electron? Its mass is 9.1×10í^31 kg. a = F/m m = me = 9.1×10í^31 kg a = (í3.2×10í^25 N)/(9.1×10í ...

30,000 m/s (70,000 mi/h). The ions escape through small holes in the rear plate. (To prevent the ions from being attracted back ...

with conductors. It cannot occur with insulators because charge is not free to move within such substances. Hollow conductor Shi ...

Dipole moment and electric field p = qd p = dipole moment q = charge d = displacement, “í” to “+” charge 23.13 - Gotchas I incre ...

Chapter 23 Problems Conceptual Problems C.1 Three locations, 1, 2, and 3, are labeled in the electric field diagram. At which of ...

C.4 In the diagram, two charges of +2q and í 5 q are placed on a line. (a) There is a point on the line where the strength of th ...

1.3 The electric field in the copper wire of a household circuit is oriented along the wire, so that it pushes electrons through ...

(b) i. They are equal ii. Twice as large iii. Four times as large iv. Half as large Section 6 - Electric fields caused by multip ...

(a) q 1 q 2 q 3 (b) q 1 q 2 q 3 (c) |q 1 | > |q 2 | > |q 3 | |q 1 | > |q 3 | > |q 2 | |q 2 | > |q 1 | > |q 3 | ...

8.5 An alpha particle (charge 3.20×10í^19 C, mass 6.68×10í^27 kg) is in a uniform electric field of strength 7.75×10í^3 N/C. Wha ...

24.0 - Introduction In this chapter, we discuss electric potential energy and electric potential. Understanding these topics wil ...

24.1 - Electric potential energy Electric potential energy: Potential energy determined by the configuration of electric charges ...

conservative nature of the electrostatic force means that the potential energy depends solely on the configuration, not on how i ...