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Physics 121 Lecture Summaries

Physics 121 Lecture Summaries. Contents: – . 9/21/2008. Summary: Electric Charge . Lecture 2. Summary: Electric Field . Lecture 3. Lecture 4. Summary: Gauss’s Law .

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Physics 121 Lecture Summaries

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  1. Physics 121 Lecture Summaries Contents:– 9/21/2008

  2. Summary: Electric Charge Lecture 2

  3. Summary: Electric Field Lecture 3

  4. Lecture 4 Summary: Gauss’s Law

  5. Summary: Electric Potential Lecture 5

  6. Summary: Capacitance Lecture 6

  7. Summary: Lecture 7 - Resistance and Resistivity

  8. Summary – Lecture 7 Resistive Circuits • An emf device does work on charges to maintain a potential difference between its output terminals. • Kirchhoff’s rules: • Loop rule. The algebraic sum of the changes in potential encountered in a complete traversal of any loop of a circuit must be zero. • Junction rule. The sum of the current entering any junction must be equal to the sum of the currents leaving that junction. • Series resistances: when resistances are in series, they have the same current. The equivalent resistance that can replace a series combination of resistance is • Parallel resistance: when resistances are in parallel, they have the same potential difference. The equivalent resistance that can replace a parallel combination of resistance is, • Single loop circuits: the current in a single loop circuit is given by • Power: when a real battery of emf and internal resistance r does work on the charges in a current I through the battery,

  9. Summary: Lecture 7/8A - Circuits, Part 1

  10. Summary: Lecture 8B – RC Circuits, Part 2

  11. Summary: Lecture 9 – Magnetic Fields

  12. Summary: Lecture 10 – Magnetic Fields from Currents

  13. Summary: Lecture 11 – Induction I – Faraday’s Law

  14. Summary: Lecture 12 – Induction II – LR Circuits

  15. Summary: Lecture 13/14 - LCR & AC Circuits, Oscillations

  16. Summary: Phase Relations in AC Circuits

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