PPT-Magnetism III Physics 2415 Lecture 16

Michael Fowler UVa Todays Topics Electric motors and galvanometers Ratio of charge to mass for an electron Hall Effect Mass spectometry Reviewing Essential Facts The force on an element of current in a wire in a magnetic field is. Unit 8: Capacitors. Today’s Concept:. Capacitors in a circuits . Dielectrics. Energy in capacitors. Unit . 8, Slide . 1. Where we are…….. Unit 8, Slide . 2. C. V. Q. Q. This “. Q. ” really means that the battery has . What is magnetism?. Force of attraction or repulsion due to electron arrangement. Magnetic forces are the strongest at the poles. Magnets have two poles: North and South. Magnetic poles and fields. Magnets always have two poles. Solvency II – introduction. Solvency II is a new regime which changes fundamentally the insurers (and reinsurers).. The insurers have to operate risk-based and it has a lot of new regulations and standards. The Solvency II. comes into force at 01.01.2016.. Magnetism day 1. What causes magnetism?. How is magnetism linked to electric charges?. Magnetic fields come from . moving. . charges. . a moving charge around an atom produces a magnetic field. currents in wires will produce magnetic fields. SrIr. 1−x. Sn. x. O. 3. indicated this material was a Slater insulator. This is a rare insulator where the magnetism controls the conduction of electrons. The behavior can be controlled by altering the Sn content.. Magnetism from electricity. In 1820, Danish scientist . Hans . Christian . Oersted. discovered accidently that when electricity passed through a wire…a magnetic field was created. Which way would the compass needles point if we placed them around the wire?. tended to 1.2 MeV in 1934 and a number of nuclear reac-tions were investigated.ries of experiments by Tuve, Hafstad, and Heydenburg onproton-proton interactions. It had long been known thatlike charge 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. Dimensions. Wave types: transverse and longitudinal. Wave velocity using dimensions. Harmonic waves. Dimensions. There are three fundamental units in mechanics: those of mass, length and time. . 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. General form of Faraday’s Law. Self-Inductance. Mutual Inductance. Energy in a Magnetic Field. Faraday’s Law: General Form. A changing magnetic flux through a loop generates an emf around the loop which will drive a current. The emf can be written:. Michael Fowler, . UVa. Today’s Topics. The . lensmaker’s. formula. Magnifying power. Lens combinations: ray tracing, telescopes.. Refraction at a Spherical Surface. Rays close to the axis (“paraxial”) will focus to an image inside the glass:. Two. . methods. :. - Probabilistic . Regulation of Metabolism (PROM. ). and. - Integrated . Deduced . REgulation. And Metabolism (IDREAM. ), . by. . group. . of. . Nathan Price @ Institute . of.