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Phase in AC Circuits: Reactance, Power, and Resonance

Learn about phase in AC circuits, reactance, power calculation, and series resonance in electrical systems. Explore the behavior of resistors and reactance in different circuit configurations. Enhance your knowledge through practical examples and detailed explanations.

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Phase in AC Circuits: Reactance, Power, and Resonance

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Presentation Transcript

  1. 22 Alternating Current

  2. What is the phase? Examples: RC & RL circuits

  3. Phasors & Alternating-Current (AC)

  4. Root-mean-square (rms) Example : Average power P = I2R

  5. Resistance and Reactance  

  6. Reactance & Phase Low-pass High-pass

  7. Series R-L-C Circuit: Impedance   VL VR VC V

  8. Series R-L-C Circuit: Phase VL VR VC V f

  9. Power in AC: Pure Resistor

  10. Power in AC: General Case

  11. Series Resonance: Frequency    When XL = XC , Z = Zmin = R, which occurs at (resonance frequency)

  12. Resonance & Tuning 

  13. Summary: Phasor & AC

  14. Summary: Resistance & Reactance

  15. Summary: R-L-C Circuit (series)

  16. Summary: Power in AC

  17. Homework

  18. P3-Resitance & Reactance

  19. P 7&8 Voltage & Current in C & L

  20. P 10-RLC in Series

  21. P 16-Power in AC

  22. P 21&22-Series Resonance

  23. Schedule (MWF)

  24. Schedule (ThTr)

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