Lecture8_SP10 - Capacitors in series and parallel Each...

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Topics to be covered in class: Review: connecting capacitors in parallel and series Example: capacitors in combination Energy of a capacitor Dielectric-filled capacitors Energy of a dielectric-filled capacitor Independent reading: (a) different types of dielectrics Ch.26.3 (b) Electric energy density Ch.26.4
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Capacitors in parallel
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Capacitors in series
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Are C1 and C2 in parallel? (1) Yes (2) No
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Are C1 and C3 in series? (1) Yes (2) No
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Capacitors in series
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Capacitors in series and parallel
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Unformatted text preview: Capacitors in series and parallel Each capacitor: 10mF Voltage: 10V Q1=? Q2=? Capacitors store energy! Attraction between capacitor plates Dielectric inserted in a capacitor changes its capacitance! •Electric field is reduced by factor k inside the dielectric! •Metal Æ total field exclusion! Dielectric inserted in a capacitor changes its capacitance! Dielectric is pulled into a capacitor by fringe electric fields!...
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This note was uploaded on 02/10/2011 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas.

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Lecture8_SP10 - Capacitors in series and parallel Each...

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