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Homework 1 ECE 2100

Homework 1 ECE 2100 - ECE 2100 Professor Alyosha Molnar...

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ECE 2100: Professor Alyosha Molnar Homework Assignment #1 Due Feb 8, 2010 Areas covered: Electrical quantities: Charge, Voltage, Current, Power, Energy, Resistance Basic circuit laws: Kirchoff’s current and voltage laws, Ohms law Basic circuits: series, parallel combinations, voltage divider, current divider. 1) Book Problem 1.10 2) Book Problem 1.12 3) Book Problem 1.22
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4) Book Problem 1.27 (but see problem 1.29 for the definition of the “power check”) 5) Book Problem 2.3 6) Book Problem 2.10
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7) Book Problem 2.13 8) Book Problem 2.15 9) Book Problem 2.22 10) Book Problem 2.29
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11) Book Problem 2.30 12) Consider the simple model for a Hybrid-electric vehicle shown: model the gas- powered generator as a constant current source supplying 50A, the Battery pack as having constant voltage of 120V, and the electric motor as a variable current sink which can also work as a regenerative brake, returning current to the battery. a. Driving to the office, the motor draws current I m (t) according to the curve above.
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