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Questions and Answers
What theorem states that the equivalent circuit of a network is a voltage source in series with a resistor?
Which law states that the total voltage around a closed loop in a circuit is equal to the sum of the voltage drops within that loop?
What is the term for the process of transforming a star (Y) network into an equivalent delta (Δ) network?
In a simple DC circuit, which theorem allows us to replace the entire network with a single voltage source and a single resistor?
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What is the process called when a delta (Δ) network is transformed into an equivalent star (Y) network?
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When analyzing a circuit using the Superposition theorem, what do we calculate to find the total response of the circuit?
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Study Notes
Theorems and Laws in Circuit Analysis
- Thevenin's Theorem states that the equivalent circuit of a network is a voltage source in series with a resistor.
- Kirchhoff's Voltage Law (KVL) states that the total voltage around a closed loop in a circuit is equal to the sum of the voltage drops within that loop.
Network Transformations
- The term for the process of transforming a star (Y) network into an equivalent delta (Δ) network is Y-Δ transformation.
- The process of transforming a delta (Δ) network into an equivalent star (Y) network is Δ-Y transformation.
- Thevenin's Theorem allows us to replace the entire network with a single voltage source and a single resistor in a simple DC circuit.
Superposition Theorem
- When analyzing a circuit using the Superposition theorem, we calculate the response of each independent source separately, and then add the individual responses to find the total response of the circuit.
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Description
Test your understanding of electrical circuit elements (R, L, and C), voltage and current sources, Kirchhoff’s laws, and analysis methods of simple DC circuits including Superposition, Thevenin and Norton theorems, Maximum Power Transfer theorem, and Star-Delta transformation.
