🧲ap physics 2 review

Internal Resistance

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

Internal resistance refers to the inherent resistance within a power source, such as a battery or generator, that limits the flow of current in a circuit.

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