PPT-More Electric Fields Physics 2415 Lecture 3

Michael Fowler UVa Todays Topics Continuous charge distributions line of charge Visualizing the field lines of force Electron moving in a field Electric dipoles Superposition The total electric force . In addition magnetic fields create a force only on moving charges The direction the magnetic field produced by a moving charge is perpendicular to the direction of motion The direction of the force due to a magnetic field is perpendicular to the dir Physics 2415 Lecture 3. Michael Fowler, UVa. Today’s Topics. Continuous charge distributions: line of charge. Visualizing the field: lines of force. Electron moving in a field. Electric dipoles. Superposition. Field Structures . and Magnetic . Dipolarizations. . in . the Inner Magnetosphere. David Malaspina. 1. , . Laila. Andersson. 1. , Robert Ergun. 1. , John Wygant. 2. , John Bonnell. 3. , Craig Kletzing. Cyberworld. November. 2014. Sandrine Ammann. Marketing & Communications Officer. Agenda. Latest developments. Complex . queries. Search syntax. Field code. Examples. CLIR. “Wrap-up” example. Q&A session. Electric fields are created by . electric charges. . Any object with a charge has an electric field around it. Opposite charges attract each other; like charges repel. An electric field is a region in which a charge experiences a force. . Gauss. ’ law. Physics 2102. Gabriela Gonz. á. lez. Carl Friedrich Gauss . 1777-1855. Q. r. l. =Q/L. r. l. =Q/2R. q. q. r. = R. q. l. =Q/2. p. R. r. q. r. s. . =Q/. p. R. 2. Electric field lines and forces. Michael Fowler, . UVa. Today’s Topics. A bit more about mirrors…. Refraction. Lenses. Ray tracing to locate image. Concave Mirror Focusing Sunlight. This solar collector is really many small flat mirrors, but equivalent to a concave mirror focusing parallel rays to a point half way from the center of the mirror to its center of curvature.. Lecture 1. Michael Fowler. Basic Outline. The course has three main parts, each about a month: . Electrostatics.. Magnetism and Magnetic Induction.. Electromagnetic Waves.. We’ll cover some other waves, and optical phenomena, in the last few lectures. We’ll also cover DC and AC circuits in the course.. Michael Fowler, UVa. Today’s Topics. Field lines and . equipotentials. Partial derivatives. Potential along a line from two charges. Electric breakdown of air. Potential Energies Just Add. Suppose you want to bring one charge . Michael Fowler, . UVa. Today’s Topics. The wave equation. Energy and power of waves. Superposition. Standing waves as sums of traveling waves. Fourier series. Harmonic Waves. A simple harmonic wave has sinusoidal form:. Michael Fowler, . UVa. Today’s Topics. Multi-slit interference. The diffraction grating: spectra. Waves and particles, more diffraction. Radio astronomy. Light Intensity Pattern from Two Slits. We have two equal-strength rays, phase shifted by. Michael Fowler, . UVa. Today’s Topics. Review self and mutual induction. LR. Circuits. LC. Circuits. Definition of Self-Inductance. For any shape conductor, when the current changes there is an induced emf . Learn how to excel in AP Physics with this comprehensive guide. Explore essential concepts, study strategies, and resources to ace your AP Physics exam. Interference I: Double Slit Physics 2415 Lecture 35 Michael Fowler, UVa Today’s Topics First: brief review of optical instruments Huygens’ principle and refraction Refraction in fiber optics and mirages Young’s double slit experiment Convex