PY212 Electricity and Magnetism

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PY212Electricity and Magnetism

• I. Electrostatics

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I-1 Electric Charge

• Why Electrostatics?
• Demonstration of Electrostatic Effects.
• The Electric Charge and its Properties.
• The Coulombs Law.
• Some Applications of the C. L.
• Electric Field and Electric Intensity

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I-2 Gauss Law

• The Electric Flux.
• The Gauss Law.
• The Charge Density.
• Use the G. L. to calculate the field of a
• A Point Charge
• An Infinite Uniformly Charged Wire
• An Infinite Uniformly Charged Plane
• Two Infinite Charged Planes

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I-3 Electric Potential

• Conservative Fields.
• The Existence of the Electric Potential.
• Work done on Charge in Electrostatic Field.
• Relations of the Potential and Intensity.

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I-4 Electric Fields

• Relation of the Potential and Intensity
• The Gradient
• Electric Field Lines and Equipotential Surfaces.
• Motion of Charged Particles in Electrostatic
  Fields.

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I-5 Special Electrostatic Fields

• Electric Charge and Field in Conductors.
• The Field of the Electric Dipole.
• Behavior of E. D. in External Electric Field.
• Examples of Some Important Fields.

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I-6 Capacitance and Capacitors

• An Example of Storing a Charge.
• Capacity x Voltage Charge.
• Various Types of Capacitors.
• Capacitors in Series.
• Capacitors in Parallel.

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I-7 Electric Energy Storage and Dielectrics

• Electric Energy Storage.
• Inserting a Conductor into a Capacitor.
• Inserting a Dielectric into a Capacitor.
• Microscopic Description of Dielectrics
• Concluding Remarks to Electrostatics.

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II. Electro-kinetics

• Stationary Electric Currents

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II1 Ohms Law

• Charges Move - Electric Currents
• Power Sources
• The Ohms Law
• Resistance and Resistors
• Transfer of Charge, Energy and Power

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II2 Microscopic View of Electric Currents

• The Resistivity and Conductivity.
• Conductors, Semiconductors and Insulators.
• The Speed of Moving Charges.
• The Ohms Law in Differential Form.
• The Classical Theory of Conductivity.
• The Temperature Dependence of Resistivity

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II3 DC Circuits I

• Resistors in Series and Parallel.
• Resistor Networks.
• General Topology of Circuits.
• Kirchhoffs Laws Physical Meaning.
• The Use of the Kirchhoffs Laws.
• The superposition principle.
• The Use of the Loop Currents Method.

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II4 DC Circuits II

• Real Power Sources.
• Building DC Voltmeters and Ammeters.
• Using DC Voltmeters and Ammeters.
• Wheatstone Bridge.
• Charging Accumulators.
• The Thermocouple.

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III. Magnetism

• Fields produced mostly by moving charges acting
  on moving charges.

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III1 Magnetic Fields

• Introduction into Magnetism.
• Permanent Magnets and Magnetic Fields.
• Magnetic Induction.
• Electric Currents Produce Magnetic Fields.
• Forces on Electric Currents.

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III2 Magnetic Fields Due to Currents

• Forces on Moving Electric Charges
• Biot-Savart Law
• Amperes Law.
• Calculation of Some Magnetic Fields.

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III3 Magnetic Dipoles

• Magnetic Dipoles
• The Fields they Produce
• Their Behavior in External Magnetic Fields
• Calculation of Some Magnetic Fields
• Solenoid
• Toroid
• Thick Wire with Current

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III4 Application of Magnetic Fields

• Applications of Lorentz Force
• Currents are Moving Charges
• Moving Charges in El. Mag.
• Specific charge Measurements
• The Story of the Electron.
• The Mass Spectroscopy.
• The Hall Effect.
• Accelerators

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III5 Magnetic Properties of Materials

• Introduction to Magnetic Properties
• Magnetism on the Microscopic Scale.
• Diamagnetism.
• Paramagnetism.
• Ferromagnetism.

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IV. Electromagnetic Induction

• Further relations between electric and magnetic
  fields

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IV1 Faradays Law

• Introduction into Electro-magnetism.
• Faradays Experiment.
• Moving Conductive Rod.
• Faradays Law.
• Lenzs Law.
• Examples

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IV2 Inductance

• Transporting Energy.
• Counter Torque, EMF and Eddy Currents.
• Self Inductance
• Mutual Inductance

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IV3 Energy of Magnetic Field

• Transformers
• Energy of Magnetic Field
• Energy Density of Magnetic Field
• An RC Circuit
• An RL Circuit
• An RLC Circuit - Oscilations

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V. Alternating Currents

• Voltages and currents may vary in time.

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V1 Alternating Voltages and Currents

• Introduction into Alternating Currents.
• Mean Values
• Harmonic Currents.
• Phase Shift

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V2 AC Circuits

• Power in AC Circuits.
• R, L and C in AC Circuits. Impedance.
• Description using Phasors.
• Generalized Ohms Law.
• Serial RC, RL and RLC AC Circuits.
• Parallel RC, RL and RLC AC Circuits.
• The Concept of the Resonance.

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VI. Electromagnetic Waves

• All the important physics in electromagnetism can
  be expressed in Maxwells Equations with
  interesting consequences.

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VI1 Maxwells Equations

• Generalized Ampères Law.
• Maxwells Equations.
• Production of Electromagnetic Waves.
• Electromagnetic Waves Qualitatively.

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VI2 Electromagnetic Waves

• Properties of Electromagnetic Waves
• Relations of E and B.
• The speed of Light c.
• Energy Transport S.
• Radiation Pressure P.

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VII. Optics

• Originally Properties and Use of Light.
• Now Much More General.

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VII1 Introduction into Geometrical Optics

• Introduction into Optics.
• Margins of Geometrical Optics.
• Fundamentals of Geometrical Optics.
• Ideal Optical System.
• Fermats Principle.
• Reflection and Reflection Optics.

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VII2 Basic Optical Elements and Instruments

• Refraction, Dispersion and Refraction Optics.
• Thin Lenses. Types and Properties.
• Combination of Lenses.
• Basic Optical Instruments
• Human Eye
• Magnifying Glass
• Telescope
• Microscope

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VII3 Introduction into Wave Optics

• Huygens Principle and Coherence.
• Interference
• Double Slit
• Thin Film
• Diffraction
• Single Slit
• Gratings
• X-Rays, Bragg Equation.
• Wave Limits of Geometrical Optics.

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Maxwells Equations I

• .