๐Ÿ’กap physics c: e&m review

Kirchoff's Voltage Law

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Kirchoff's Voltage Law states that for any closed loop or mesh within an electrical network, the sum of all voltages across each element must equal zero. It is based on the principle of conservation of energy in electrical circuits.

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Kirchoff's Voltage Law Definition - AP Physics C: E&M Key Term | Fiveable