The algebraic sum of potential changes for a closed circuit is zero according to
Correct answer: A. Kirchhoff's 2nd rule
- A. Kirchhoff's 2nd rule
- B. Kirchhoff's first rule
- C. Ampere's law
- D. Joule's law
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Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
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