Physics 212 Lecture 10, Slide 1

Main Point. There really is only one main point in this lecture: namely that to analyze any circuit, we only need apply two rules: Kirchhoff's Voltage and Current Rules. Kirchhoff's Voltage Rule is essentially a statement of the conservation of energy: namely, if you start at any point on a circui

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Physics 212 Lecture 25, Slide 1

Main Point 1. First, we introduced the law of reflection, that the angle of incidence equals the angle of reflection. We offered a derivation of this relation for plane waves by requiring the phase of the reflected wave across a wavefront perpendicular to the ray to be constant.. Physics 212 Lect

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Physics 212 Lecture 18, Slide 1

Music. Legendary Cuban piano player Hadn't been in the U.S. in many years Stop at Krannert in Fa10. . . Who is the Artist?Arturo SandovalTiempo LibreChucho Valdes

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Physics 212 Lecture 4, Slide 1

Main Point 1. First, Gauss' law can be used to actually calculate the spatial dependence of the electric field produced by sufficiently symmetric charge distributions. In particular, since we live in a three spatially dimensioned world, there are three kinds of symmetric charge distributions (spher

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Physics 212 Lecture 6, Slide 1

Main Point 1. First, the electric potential is a scalar function defined at all points in space that can be used to determine all electrostatic effects produced by a specified charge distribution. The change in electric potential between any two points is defined to be the energy required to move

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Physics 212 Lecture 20, Slide 1

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Physics 212 Lecture 7, Slide 1

Main Point 1. First, charges in a conductor will always move so as to create a zero electric field at all points in the conductor. Consequently, all conductors are equipotentials and the electric field at the surface of a conductor is always perpendicular to that surface.. Physics 212 Lecture 7,

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Physics 212 Lecture 16, Slide 1

Main Point 1. First, by examining three examples in which conductors were moved through a magnetic field, we determined that, in each case, the Lorentz force produced a redistribution of the conduction electrons so that a potential difference, or a motional emf, was created in these conductors. . P

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Physics 212 Lecture 6, Slide 1

Physics 212 Lecture 6. Music. Who is the Artist?John PrineLittle FeatTaj MahalRy CooderLos Lobos. Why?Last time did Buena Vista Social Club (Cuba)Ry Cooder was the guy who brought them to our attention in this countryAlso, this album is great

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Physics 212 Lecture 23, Slide 1

Physics 212 Lecture 27. Music. Who is the Artist?Soul Rebels Brass BandJohn BoutteNew Orleans NightcrawlersPaul Sanchez

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Physics 212 Lecture 25

Physics 212 Lecture 25. Music. Who is the Artist? The Band Bob Seger CCR Eagles Steve Miller Band. We’ve had a few CCR requests. Physics 212 Lecture 24. Your Comments.

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Physics 212 Lecture 22

Physics 212 Lecture 22. Music. 1976. 1994. Who is the Artist? Billy Joel Boz Scaggs Mark Knopfler Donald Fagen Michael McDonald. Theme of the week? Tower of Power, Boz Scaggs – San Francisco sounds of the ’70s. Physics 212 Lecture 22.

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Physics 212 Lecture 20

Physics 212 Lecture 20. AC Circuits Phasors. R. Actual current I (t) is the projection of the “phasor” onto the y-axis at time t. V L = LdI/dt. L. 90 o. Inductive “reactance”. Inductor phasor. C. 90 o. Summary. R. C. V max = X C I max. V C 90 o behind I. X C = 1/ w C.

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Physics 212 Lecture 13

Physics 212 Lecture 13. Torques. Main Point 1.

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Physics 212 Lecture 15

Physics 212 Lecture 15. Ampere’s Law. LHS:. RHS:. General Case. Infinite current-carrying wire. :05. Checkpoint 1c. Checkpoint 1a. Checkpoint 1b. I enclosed = 0. I enclosed = 0. I enclosed = I. I enclosed = 0. I enclosed = I. I enclosed = I. Practice on Enclosed Currents.

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Physics 212 Lecture 17

Physics 212 Lecture 17. Faraday’s Law. Music. Will I get points for this question? Yes and no Maybe Who is “I”? You? You won’t get points. I get The point It’s a pointless question. Physics 212 Lecture 23. Faraday’s Law:. where. a nd f is force / unit charge:.

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Physics 212 Lecture 17

Physics 212 Lecture 17. Faraday’s Law. Main Point 1. First, we introduced the concept of the magnetic flux and found that the motional emfs produced in the three examples from the last prelecture could all be written simply as the time rate of change of the magnetic flux through the circuit.

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Physics 212 Lecture 20

Physics 212 Lecture 20. AC Circuits Maximum currents & voltages Phasors: A Simple Tool. Music. Who is the Artist? Derek Trucks Band Robert Plant & Alison Kraus CCR Emmylou Harris & Gregg Allman Led Zeppelin. Theme of the week

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Physics 212 Lecture 18

Physics 212 Lecture 18. d I. dt. Wrap a wire into a coil to make an “inductor”…. e = -L. From the prelecture: Self Inductance. d I. dt. e L = - L. What this really means :. emf induced across L tries to keep I constant. L. current I.

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