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Electric Charge, Forces, and Fields
Objectives
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Upon completion of this chapter, you should be able to:
- distinguish between the two types of electric charge, state the charge-force law that operates between charged objects, and understand and use the law of charge conservation.
- distinguish between conductors and insulators, explain the operation of the electroscope, and distinguish among charging by friction, conduction, induction, and polarization.
- understand Coulomb's law and use it to calculate the electric force between charged particles.
- understand the definition of the electric field, plot electric field lines and calculate electric fields for simple charge distributions.
- describe the electric field near the surface and in the interior of a conductor, determine where the highest concentration of excess charge accumulates on a charged conductor, and sketch the electric field line pattern outside a charged conductor.
- state the physical basis of Gauss's law and use the law to make qualitative predictions.
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