Physics 250: Science And Engineering II

Video Lectures

Displaying all 51 video lectures.
Lecture 1
Electrostatic Interaction
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Electrostatic Interaction

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel introduces the course, discusses electrostatic interaction and reviews Maxwells equations.
Lecture 2
Electric Field Vector
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Electric Field Vector

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discusses charge of particles, electrical conductivity, introduces the concept of and electric field vector and electric field lines.
Lecture 3
Gauss's Law & Coulomb's Law
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Gauss's Law & Coulomb's Law

In this video lecture, UMKC Physics department's Professor Jerzy Wrobel defines electric flux, discusses Gauss's Law & Coulomb's Law.
Lecture 4
Charge, Density and the Electric Field of an Extended Body
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Charge, Density and the Electric Field of an Extended Body

UMKC Physics Department's Professor Jerzy Wrobel discusses charge density and the electric field of an extended body.
Lecture 5
Electric Fields
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Electric Fields

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel calculates electric field vector of a uniformly charged linear object and of a uniformly charged plane.
Lecture 6
Electric Potential
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Electric Potential

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discusses motion of a particle in an electric field, defines the electric potential and relates electric field vector with the electric potential. He also presents a method of measuring electric potential.
Lecture 7
Calculating Electric Potential
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Calculating Electric Potential

In this video lecture, UMKC Physics departments Professor Jerzy Wrobel calculates the electric potential of an extended body and introduces the concept of dipole moment.
Lecture 8
Substance in an Electric Field
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Substance in an Electric Field

In this video lecture, UMKC Physics department's Professor Jerzy Wrobel discusses effect of dielectrics and conductors on an electric field, introduces dielectric constant, calculates electric field vector and electric potential produced by a uniformly charged rod, and concludes the lecture playing with a Van der Graaf generator.
Lecture 9
Capacitors
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Capacitors

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains operation of an electron gun and discusses the function of capacitors.
Lecture 10
Parallel Plate Capacitor
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Parallel Plate Capacitor

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discussed the construction of a parallel plate capacitor, relates its dimensions to the capacitance, and calculates the electrical energy stored in a charged capacitor.
Lecture 11
Systems of Capacitors
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Systems of Capacitors

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel describes connections in series and in parallel, and derives expressions for equivalent capacitance in both cases.
Lecture 12
Electric Current
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Electric Current

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discusses transport of charge and introduces concepts of electric current and current density.
Lecture 13
Resistors
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Resistors

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discusses conductive properties of materials and explains operation of a resistor.
Lecture 14
Systems of Resistors
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Systems of Resistors

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel derives expressions for equivalent resistance of a system of resistors connected in series and in parallel, presents some applications of resistors in circuits, and finally discusses electric power delivered to an element.
Lecture 15
Sources of Electromotive Force
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Sources of Electromotive Force

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains operation of a battery and describes the ways to measure current, voltage and resistance.
Lecture 16
Kirchoff's Rules
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Kirchoff's Rules

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains Kirchhoffs rules and illustrates their applications.
Lecture 17
Applications of Kirchhoffs Rules
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Applications of Kirchhoffs Rules

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel uses Kirchhoffs rules to analyze circuits.
Lecture 18
Charging and Discharging a Capacitor
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Charging and Discharging a Capacitor

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel analyzes current and potential differences in an RC circuit, and experimentally confirms the findings.
Lecture 19
Sinusoidal Alternating Current
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Sinusoidal Alternating Current

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel introduces physical concepts describing sinusoidal alternating current.
Lecture 20
Relation between Current and Voltage
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Relation between Current and Voltage

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel introduces impedance and phase angle, and represent electrical quantities with a phasor.
Lecture 21
Complex Impedance
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Complex Impedance

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel shows advantages of using complex impedance. It is used to relate AC voltage and current in systems of elements.
Lecture 22
AC in Resistors, Capacitors and Inductors
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AC in Resistors, Capacitors and Inductors

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discusses relation between sinusoidal voltage and current in resistors, capacitors and inductors.
Lecture 23
Applications of RLC Circuits
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Applications of RLC Circuits

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel analyzes operation of a resonant circuit and of a high pass filter.
Lecture 24
Applications of RLC Circuits
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Applications of RLC Circuits

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel analyzes operation of a resonant circuit and of a high pass filter.
Lecture 25
More Applications of RLC Circuits
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More Applications of RLC Circuits

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel analyzes operation of a low pass filter and integrating circuit.
Lecture 26
Semiconductor Devices
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Semiconductor Devices

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel analyzes operation of a high pass filter, explains the principles of operation of a diode and a bipolar transistor and discusses application of diodes for current rectification.
Lecture 27
Transistor Circuits
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Transistor Circuits

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains how a Field Effect Transistor works and presents circuit diagrams for an amplifier, logical gates and a simple AM radion.
Lecture 28
Magnetic Interaction (Part I)
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Magnetic Interaction (Part I)

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains the magnetic interaction, introduces concept of magnetic field vector, analyzes motion of a charged particle in a uniform magnetic field and evaluates magnetic work done on a particle.
Lecture 29
Magnetic Interaction (Part II)
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Magnetic Interaction (Part II)

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains the magnetic interaction, introduces concept of magnetic field vector, analyzes motion of a charged particle in a uniform magnetic field, evaluates magnetic work done on a particle and concludes the lecture with a description of the Hall effect.
Lecture 30
Current Carrying Wire in a Magnetic Field
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Current Carrying Wire in a Magnetic Field

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel describes the magnetic force exerted on a current carrying wire and demonstrates the force in an experiment.
Lecture 31
Magnetic Torque
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Magnetic Torque

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel introduced the concept of magnetic moment of an object, evaluates the magnetic moment exerted on a current carrying loop and demonstrates operation of a DC motor and a synchronous AC motor.
Lecture 32
Maxwell's Equations
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Maxwell's Equations

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel reviews Maxwells equations and defines displacement current.
Lecture 33
Magnetic Field Produced by Electric Currents
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Magnetic Field Produced by Electric Currents

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel presents applications of the Ampere-Maxwell law and the Biot-Savart law, and derives an expression for the magnetic field produced by a current carrying straight wire.
Lecture 34
Faradays Law of Induction
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Faradays Law of Induction

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel describes magnetic field of a solenoid, effect of the magnetic field on ferromagnetic substances and consequences of Faradays law of induction.
Lecture 35
Self-induction
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Self-induction

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel talks about the process and derives expression for the inductance of an inductor. In conclusion, he demonstrates applications of induction by presenting models of a generator and transformer.
Lecture 36
Wave Nature of Electromagnetic Radiation
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Wave Nature of Electromagnetic Radiation

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel describes electromagnetic radiation in terms of electromagnetic waves.
Lecture 37
Law of Refraction and Law of Reflection
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Law of Refraction and Law of Reflection

In this video lecture, UMKC Physics Department's Professor Fred Leibsle defines index of refraction and explains optical phenomena taking place at the boundary of two mediums.
Lecture 38
Image Formation
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Image Formation

UMKC Physics Department's Professor Jerzy Wrobel explains the necessary condition for seeing an object and the formation of images by a flat refractive surface and plane mirror. He discusses conditions for total internal reflection and evaluates the critical angle.
Lecture 39
Spherical Mirrors
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Spherical Mirrors

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains how spherical mirrors produce images. He shows how to construct a ray diagram and use the mirror equation.
Lecture 40
Ray Diagrams and Mirror Equation
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Ray Diagrams and Mirror Equation

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel draws ray diagrams and uses the mirror equation to analyze and design various situations with a spherical mirror.
Lecture 41
Thin Spherical Lenses
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Thin Spherical Lenses

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel draws ray diagrams and uses the lens equation to analyze and design various situations with a thin spherical lens.
Lecture 42
The Eye
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The Eye

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel discusses the lens makers equation and explains formation of an image in the eye.
Lecture 43
System of Lenses
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System of Lenses

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel talks about formation of an image by two lenses in contact and introduces concept of magnification.
Lecture 44
Optical Instruments
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Optical Instruments

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains operation of a magnifying glass, a microscope and a telescope.
Lecture 45
Designing Optical Systems
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Designing Optical Systems

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel engages the students to design a Newtonian telescope and binoculars.
Lecture 46
Light and Vision
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Light and Vision

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel talks about the physics of three dimensional vision and energy carried by electromagnetic radiation.
Lecture 47
Demonstration of Interference
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Demonstration of Interference

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel shows and explains interference of mechanical waves and laser light.
Lecture 48
Theory of Interference
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Theory of Interference

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel explains interference in a thin film and a double slit experiment.
Lecture 49
Designing Optical Systems
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Designing Optical Systems

In this video lecture, UMKC Physics Department's Professor Fred Leibsle talks about methods of polarizing light.
Lecture 50
Review
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Review

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel conducts a review of all the material covered.
Lecture 51
Final Lecture
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Final Lecture

In this video lecture, UMKC Physics Department's Professor Jerzy Wrobel reviews the material covered thus far.