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lecture_12_F2011

lecture_12_F2011 - of full charge in 140 ms Lecture 12...

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Lecture 12 Chapters 25 and 26 Page 1 Charging the capacitor (assume C has no charged initially)

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Lecture 12 Chapters 25 and 26 Page 2 Discharging capacitor (assume C is fully charged initially)
Lecture 12 Chapters 25 and 26 Page 3 Text Problem 25.62 A 2.0-F capacitor is charged to 150 V. It is then connected to an uncharged 1.0-F capacitor through a 2.2-k resistor, by closing the switch S in the figure below. Calculate the total energy dissipated in the resistor as the circuit come to equilibrium. Hint: Think about the charge conservation. S 2.0- μ F 1.0- F 2.2-k

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Lecture 12 Chapters 25 and 26 Page 4 Text Problem 25. 66 Calculate the resistance needed in an RC circuit to bring a 20-F capacitor from zero charge to 45%

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Unformatted text preview: of full charge in 140 ms . Lecture 12 Chapters 25 and 26 Page 5 Text Problem 25. .38 In the figure below all resistors have the same value R . What will be the resistance measured (a) between A and B or (b) between A and C ? A B C Lecture 12 Chapters 25 and 26 Page 6 Text Problem 25.39 In the figure above, take all resistors to be 1.0 . If a 6 V battery is connected between points A and B , what will be the current in the vertical resistor? Lecture 12 Chapters 25 and 26 Page 7 Chapter 26 Magnetism: Force and Field Permanent magnets have B Moving charges have B Start with Magnetic Force Lecture 12 Chapters 25 and 26 Page 8 Magnetic Force B v q F × =...
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lecture_12_F2011 - of full charge in 140 ms Lecture 12...

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