⚙️ FE Exam Prep

Thevenins theorem allows replacing a linear circuit with:

A A current source and parallel resistance
B A voltage source in series with a resistance
C A single resistor
D A transformer

✓ Correct Answer: Option B

Thevenin equivalent: V_th (open-circuit voltage) in series with R_th (equivalent resistance seen from terminals).

💡 Why is B) the correct answer?

The correct answer to the question "Thevenins theorem allows replacing a linear circuit with:" is Option B: A voltage source in series with a resistance.

The other options — A) A current source and parallel resistance, C) A single resistor, D) A transformer — are incorrect for this FE Exam Prep question. As explained above: Thevenin equivalent: V_th (open-circuit voltage) in series with R_th (equivalent resistance seen from terminals).

📚 About This FE Exam Prep Practice Question

This 2-level FE Exam Prep question from the Circuits topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free FE Exam Prep practice test or use flashcards for spaced repetition review.

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