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Extra credit spring 2011

# Extra credit spring 2011 - Extra credit problems spring...

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Extra credit problems spring 2011 1. Set up mesh current equations. Sketch the circuit showing the mesh current directions. 2. Set up node voltage equations. Sketch the circuit showing the node voltage polarities. 3. Solve for the node voltages. Use an appropriate computer tool (e.g., Mathcad, Matlab, Maple, some calculators, etc.). See the instructor if you have questions about what is appropriate. 4. Calculate the power that each source produces, and calculate the power that the each resistor uses. Check power balance: total source power production equals total resistor power use. The sources may represent DC generators that are converting mechanical energy to electrical form, while the resistors are converting electrical energy to heat (or light and heat in the case of a lamp). The smaller resistors are representing the resistance of the wires used to connect the sources to the loads, and the larger resistors are representing the loads.

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