'Capacitance increases' diaporamas de présentation

Ch. 24 Capacitance & Dielectrics

Ch. 24 Capacitance & Dielectrics. AP Physics C. Capacitance. Ability of a capacitor to store charge Ratio of charge stored to potential difference 1 C/V = 1 Farad (F). Capacitor. A device that stores electric charge

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Summary

Summary. More circuits Forces between plates of a capacitor Dielectrics Energy and the distinction about constant Q or V. C 1 = 5 ? F, C 2 = 10 ? F, C 3 = 2 ? F Calculate the equi . Capacitance. 6 ? F 2 ? F 4 ? F 8 ? F.

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Chapter 26

Chapter 26. Capacitance and Dielectrics. Quick Quiz 26.1. A capacitor stores charge Q at a potential difference ? V . If the voltage applied by a battery to the capacitor is doubled to 2 ? V : (a) the capacitance falls to half its initial value and the charge remains the same

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Physics 2113 Lecture: 17 WED 25 FEB

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Physics 2113 Lecture: 06 WED 01 OCT

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Physics 2102 Lecture: 08 THU 18 FEB

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Physics 2102 Lecture 8

Physics 2102 Jonathan Dowling. Physics 2102 Lecture 8. Capacitors II. C 1. Q 1. C 2. Q 2. Q eq. C eq. C 1. C 2. Capacitors in parallel and in series. In parallel : C eq = C 1 + C 2 V eq =V 1 =V 2 Q eq =Q 1 +Q 2. In series : 1/C eq = 1/C 1 + 1/C 2 V eq =V 1 + V 2

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Physics 2102 Lecture 8

Physics 2102 Jonathan Dowling. Physics 2102 Lecture 8. Capacitors II. C 1. Q 1. C 2. Q 2. Q eq. C eq. C 1. C 2. Capacitors in parallel and in series. In parallel : C eq = C 1 + C 2 V eq =V 1 =V 2 Q eq =Q 1 +Q 2. In series : 1/C eq = 1/C 1 + 1/C 2 V eq =V 1 + V 2

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Qwizdom questions for Jan. 15, 2010

Qwizdom questions for Jan. 15, 2010. 21. One coulomb per volt is a joule electron-volt C. farad D. watt. 21. The correct answer is C, farad. For a capacitor: C = Q / V.

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Capacitors in circuits

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