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AP Physics 2 Flashcards: Kirchhoffs Loop Rule

Study Kirchhoffs Loop Rule in AP Physics 2 with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Find the missing voltage if the loop sum must be zero: V1=6VV_1 = 6 \text{V}, V2=4VV_2 = 4 \text{V}.

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ANSWER

V3=−10VV_3 = -10 \text{V}. Loop sum must be zero: V3=0−6−4=−10VV_3 = 0 - 6 - 4 = -10\text{V}.

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AP Physics 2: Electric Circuits

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This deck focuses on Kirchhoffs Loop Rule, giving you a quick way to review the definitions, rules, and examples that matter most for AP Physics 2.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
In the single closed loop shown, a 12 V12\ \text{V} battery (positive terminal encountered first) is in series with R1=3.0 ΩR_1=3.0\ \Omega and R2=5.0 ΩR_2=5.0\ \Omega. Traverse clockwise; take a rise as +ε+\varepsilon across the battery from −- to ++, and a drop as −IR-IR when moving with the current through a resistor. Which equation correctly represents Kirchhoff's loop rule for this loop?
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