Lecture 1 - passed a particular point in this wire q(t)...

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Lecture 1 figures 1 Fig. 1-1: Static charge demonstration. Fig. 1-2: Electrostatic force between point charges. Fig. 1-3: Current-carrying wire. Fig. 1-4: Current direction notation. Arrow direction and sign together give current direction.
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Lecture 1 figures 2 Fig. 1-5: Charged body. Fig. 1-6: Determining i(t) from q(t). Fig. 1-8: Determining q(t) from i(t) . Ex: The net charge q(t) on a body changes as shown in the plot. Plot a qualitative sketch of the current i(t) . Fig. 1-7: Determining i(t) from q(t). Ex: The current in a wire is given by i(t) = 1 mA cos(2 p 100 t). Determine the net charge that has
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Unformatted text preview: passed a particular point in this wire q(t) from t = 0 to t for the interval 0 < t < 30 ms. Ex: The charge q(t) on a body is given as a function of time in the plot below. (a) Determine the current i(t) flowing onto the body. (b) How many excess electrons are present on the body initially? Lecture 1 figures 3 Fig. 1-9: A circuit element. Fig. 1-10: Doing work on an electron placed between two biased conducting plates. Fig. 1-11: Doing work on an electron inside a resistor. Fig. 1-12: Convention for defining the sign of the potential. Fig. 1-13: Equivalent Notations....
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This note was uploaded on 01/19/2012 for the course IE 230 taught by Professor Xangi during the Spring '08 term at Purdue University-West Lafayette.

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Lecture 1 - passed a particular point in this wire q(t)...

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