Physics Assignments Homework


RESISTANCE obeyed, p is constant and independent of the magnitude of the indirectly proportional to 1. Often, however, we are more interested in a conductor than in1and more interested in the potential difference the conductor than in E. This is so largely because current and diffidence are much easier to measure than are 1 and E.  conductor is a wire …



CURRENT A current is any motion of charge from one region to another. In this seetion e’ll discuss currents in conducting materials. The vast majority of technological applications of charges in motion involve currents of this kind. In electrostatic situations (discussed in Chapters 22 through 25) the electric field is zero everywhere within the conductor, and there is no current. However, this …

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