Thevenin's Theorem Quiz

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Questions and Answers

What is the equivalent resistance of the circuit?

The equivalent resistance of the circuit is $6.67 \Omega$.

How is the equivalent resistance of the circuit calculated?

The equivalent resistance is calculated by finding the parallel resistance of the 10 $\Omega$ and 20 $\Omega$ resistors.

What is the calculated current in the circuit?

The calculated current in the circuit is 0.33 A.

What is the voltage drop across the resistors?

The voltage drop across both resistors is 13.33 V. Signup and view all the answers

What is the purpose of drawing Thevenin’s equivalent circuit?

The purpose of drawing Thevenin’s equivalent circuit is to simplify the original circuit to a single voltage source and a single resistor. Signup and view all the answers

Calculate the equivalent resistance of the circuit when the load resistance is removed and the voltage sources are shorted.

The equivalent resistance of the circuit is calculated as follows: $R_{eq} = \frac{R_1 \cdot R_2},{R_1 + R_2}$, where $R_1$ and $R_2$ are the resistances of the parallel resistors. Signup and view all the answers

Determine the current flowing around the loop in the circuit after reconnecting the voltage sources.

The current flowing around the loop can be calculated using Ohm's law: $I = \frac{V_{AB}},{R_{eq}}$, where $V_{AB}$ is the voltage across the equivalent resistance and $R_{eq}$ is the equivalent resistance of the circuit. Signup and view all the answers

Explain the significance of the voltage drop across the resistors in the circuit.

The voltage drop across the resistors is significant because it helps determine the voltage distribution within the circuit and ensures that Kirchhoff's voltage law is satisfied. Signup and view all the answers

Describe the process of drawing Thevenin’s equivalent circuit.

The process involves representing the circuit with a single voltage source and a single series resistance, where the voltage source is equal to the voltage across the load resistance and the series resistance is equal to the equivalent resistance of the circuit. Signup and view all the answers

What does Thevenin’s equivalent circuit help simplify in circuit analysis?

The Thevenin’s equivalent circuit helps simplify complex circuits by replacing them with a simplified circuit model, making it easier to analyze and solve for circuit parameters. Signup and view all the answers

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