Unformatted text preview: Complex circuits with many resistors can be simplified to find the currents and voltages at each element by repeatedly summing resistances in series and parallel. The current and voltage division principles can be applied to find fractions of currents and voltages in resistances that are in parallel or series, respectively. The nodevoltage and meshcurrent methods can be used to find voltages and currents in any planar, resistive networks. A twoterminal circuit has a Thevenin and Norton equivalent that consists of a voltage source in series or a current source in parallel, with a resistor, respectively. The maximum power is reached when the load resistance is equal to the Thevenin resistance. The superposition principle can be used to solve a network by summing the responses of the individual sources in a circuit. The Wheatstone bridge is a circuit used to measure unknown resistances. 1...
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This document was uploaded on 02/16/2012.
 Spring '09
 Mechatronics

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