'Closed circuit loop' diaporamas de présentation

Chapter 28

Chapter 28. Direct Current Circuits. Electromotive Force. An electromotive force device, or emf device, is a source of constant potential. The emf describes the work done per unit charge and has units of volts. Parallel Wiring.

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Electric Circuits

Electric Circuits. AP Physics B. Potential Difference =Voltage=EMF. In a battery, a series of chemical reactions occur in which electrons are transferred from one terminal to another. There is a _________________________ between these poles.

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Chapter 18

Chapter 18. Direct Current Circuits. Sources of emf. The source that maintains the current in a closed circuit is called a source of emf Any devices that increase the potential energy of charges circulating in circuits are sources of emf Examples include batteries and generators

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At what rate is thermal energy generated in the {image} resistor? {applet}

At what rate is thermal energy generated in the {image} resistor? {applet}. 23 W 54 W 49 W 97 W 58 W. What is the current in the {image} resistor? {applet}. 0.48 A 0.68 A 2.1 A 1.8 A 4.5 A. At what rate is thermal energy generated in the {image} resistor when {image} {applet}. 6.8 W

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Chapter 28

Chapter 28. Direct Current Circuits. Direct Current. When the current in a circuit has a constant direction, the current is called direct current Most of the circuits analyzed will be assumed to be in steady state , with constant magnitude and direction

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Lecture 9

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The Quasistationary Approximation

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Chapter 18

Chapter 18. Conceptual questions: 5,6,12,15,19,20 Problems: 1,8,13,40 Quick quizzes: 1,2,3. Direct Current Circuits. Sources of emf.

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Lecture 2 Basic Circuit Laws

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Lecture 17

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Chapter 28

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So far, we have considered circuits which can be reduced

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