lecture_07_F2011

# lecture_07_F2011 - Page 5 Rank in order from largest to...

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Lecture 7 Chapters 22 and 23 Page 1 Batteries and emf

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Lecture 7 Chapters 22 and 23 Page 2 Problem: A switch that connects a battery to a 10 μ F capacitor is closed. Several seconds later you find that the capacitor plates are charged to ± 30 C . What is the emf of the battery?
Lecture 7 Chapters 22 and 23 Page 3 Problem: Initially, the switch in the figure is open and the capacitor is uncharged. How much charge flows through the switch after the switch is closed?

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Lecture 7 Chapters 22 and 23 Page 4 Problem: Text 23 – 54 and 55 What is the equivalent capacitance in the figure below ? Find the energy stored in the 1.0 μ F capacitor when a 50-V battery is connected between points A and B . A B
Lecture 7 Chapters 22 and 23

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Unformatted text preview: Page 5 Rank in order, from largest to smallest, the equivalent capacitance ( C eq ) of circuits a to d . a b c d Energy in the capacitor The charge escalator does work q ∆ V to move charge dq from the negative plate to the positive plate as capacitor is being charged. ----+ + + + Lecture 7 Chapters 22 and 23 Page 6 Energy in the Electric Field The capacitor’s energy is stored in the Electric field in volume Ad between the plates A d Lecture 7 Chapters 22 and 23 Page 7 Problem 23 – 37 Find the electric-field energy density at the surface of a proton, taken to be a uniformly charged sphere 5 fm in radius....
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## This note was uploaded on 01/10/2012 for the course PHYS 2114 taught by Professor Bandy during the Spring '08 term at Oklahoma State.

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lecture_07_F2011 - Page 5 Rank in order from largest to...

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