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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
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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