# Circuit Board 91002: DC Network Theorems  Consisting of nine training circuit blocks and a constant-source current block, the DC Network Theorems ­Circuit Board enables students to perform practical exercises that demonstrate theoretical DC principles. When a circuit has two voltage sources in different branches, theorems are used to solve for voltage and/or current in these circuits where Ohm’s Law cannot be applied.

Topic Coverage

• Component Location and Identification
• Circuit Board Operation
• Currents and Node Currents in a Two-Element Branch Circuit
• Voltages in a Three-Element Series Circuit
• Algebraic Sum of Voltages in a Series Circuit
• Generating Loop Equations
• Generating Node Equations
• Kirchhoff’s Voltage and Current Law with a Two-Source Circuit
• Mesh Solutions of a Two-Source Circuit
• Superposition Solution for a Two-Source Circuit
• Millman’s Theorem Solution for Two-Source Circuit
• Thevenizing a Single-Source and a Dual-Source Network
• Thevenin Resistance (Rth) and Thevenin Voltage (Vth) of a Bridge Circuit
• Thevenin to Norton Conversion
• Norton to Thevenin Conversion
• Tee and Wye or Pi and Delta Networks
• Transformation of Delta and Wye Networks
• Troubleshooting Basics
• Troubleshooting DC Networks

## Version (language)

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