Lecture_2 - Review Question 1 Simplify the following units Try to express each as a single unit BME 311 Network Theory John X.J Zhang UT Austin 1

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1 BME 311 Network Theory John X.J. Zhang, UT Austin 1 Review Question 1 • Simplify the following units. Try to express each as a single unit BME 311 Network Theory John X.J. Zhang, UT Austin 2 Review Question 2 • The current flowing through a wire is given by the following figure. Sketch the net charge moving through the wire if q(0)=0.
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2 BME 311 Network Theory John X.J. Zhang, UT Austin 3 Basic Electric Circuit Concepts Basic Quantities: Power and Energy When we pay our electric bills we pay for (watt)(hours) but because this is such as large number we usually think kWH. Cost of 1 kWH is approx. 4 – 8 cents. A profile of the power you use during a day may be as shown below. BME 311 Network Theory John X.J. Zhang, UT Austin 4
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3 BME 311 Network Theory John X.J. Zhang, UT Austin 5 p t The energy we pay for is the area under the power-time curve. o tt o w pdt vidt == BME 311 Network Theory John X.J. Zhang, UT Austin 6 Review Question 3 • Given v=10 volts and i(t) as shown in the following figure, sketch the power and energy.
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4 BME 311 Network Theory John X.J. Zhang, UT Austin 7 Basic Electric Circuit Concepts Basic Quantities: Power We adopt a passive sign convention in order to define the sign of supplied power and the sign of absorbed power. Consider the following.
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This note was uploaded on 09/28/2009 for the course BME 311 taught by Professor Zhang during the Spring '08 term at University of Texas at Austin.

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Lecture_2 - Review Question 1 Simplify the following units Try to express each as a single unit BME 311 Network Theory John X.J Zhang UT Austin 1

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