Physics 2
79 videos • 647 views • by Robert Cruikshank
Electric force, circuits, logic circuits, magnetism, optics. Most are under 10 minutes, many under 2 minutes.
1
Types of Density
Robert Cruikshank
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2
Electric Charge Lecture
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3
Scalar and Vector Fields
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4
Point Charge Formulas in Two Minutes
Robert Cruikshank
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5
How to Tell Point Charge Formulas Apart
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6
Puzzle with Electric Charge
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7
Visualizing the Potential (Voltage ) of Two Positive Charges
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8
How Does a Dielectric Change the Charge on a Capacitor?
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9
Which one gains electrons: A Balloon or Your Hair? (Triboelectric Series)
Robert Cruikshank
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10
How Electric Fields Drop off with Distance r: plane, line, point, dipole
Robert Cruikshank
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11
Electric Potential (Voltage) on the Axis of a Uniformly Charged Disk
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12
How to Find dq: Integrating over Charge Densities
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13
Electric field E on the Axis of a Charged Ring
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14
Electric potential V on the Axis of a Charged Ring
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15
Electric Field of a Long Charged Wire
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16
Electric field E and potential V on the axis of an electric dipole
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17
Electric field on the perpendicular axis of a dipole
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18
Flux and Gauss Law
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19
Kirchhoff Loop Rule, Basic Example
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20
Charging and Discharging RC Circuit
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21
Linked capacitors
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22
Weird Circuits for Exam Prep
Robert Cruikshank
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23
Basic Resistor Circuits
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24
Identifying Series and Parallel Circuits
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25
Why Resistors and Capacitors Add As They Do
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26
Signs for Kirchhoff's Laws
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27
Signs for Kirchhoff's Laws
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28
NOT Circuit
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29
NAND and AND Circuits
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30
NOR and OR Circuits
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31
All Truth Tables with One or Two Inputs
Robert Cruikshank
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32
Converting Between Logic Circuits and Truth Tables
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33
What's a Tesla?
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34
Right Hand Rule: 20 Examples in under 13 minutes
Robert Cruikshank
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35
Forces Right Hand Rule Lightning Round
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36
Right Hand Rule for Magnetic Fields, Lightning Round
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37
Dipoles
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38
Lenz's Law Practice
Robert Cruikshank
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39
Lenz's Law 2
Robert Cruikshank
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40
Magnetic Fields for MRI
Robert Cruikshank
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41
Ray Tracing Diagrams
Robert Cruikshank
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42
Eyesight and Lenses
Robert Cruikshank
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43
Pinhole Camera
Robert Cruikshank
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44
Images At Infinite Distance
Robert Cruikshank
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45
Thin Film Interference
Robert Cruikshank
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46
Phase Flips for Thin Film Interference
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47
Single Slit vs Double Slit Formulas
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48
Sign Conventions for Lenses and Mirrors Speed Version
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49
Sign Convention for Mirrors
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50
Sign Conventions for Lenses
Robert Cruikshank
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51
When is object distance negative?
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52
Units of Magnetic Charge
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53
Resistor Circuits with Switches
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54
Magnetic Field of a Single Point Charge
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55
Formulas for Magnetic Fields
Robert Cruikshank
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56
Physical Model for RHR
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57
What are Resistors, Capacitors and Inductors Good For?
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58
What is the RC time constant
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59
Other Electric Components
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60
A Wheatstone Bridge is Not Series or Parallel
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61
The Beams of Ray Diagrams
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62
Ten Ray Diagrams
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63
Biot-Savart Law: Straight Wire Example
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64
Triple Slit Diffraction, N Slit Diffraction
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65
Pinhole Size and Diffraction Pattern Size
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66
Why Don't Velocities Add Up to More than the Speed of Light?
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67
Flux and Intensity
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68
"Adding Upside Down": Resistor, Capacitor, Inductor, Spring, and Mass
Robert Cruikshank
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69
Conductors and Insulators
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70
Electric Field Example with Components Ex, Ey
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71
Ampere*hour (A-hr), kilowatt*hour (kWh), and electron volt (eV)
Robert Cruikshank
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72
Find the Electric Potential Energy U of More Than two Charges
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73
Two Charges: Voltage, Force, Potential Energy, and Terminal Velocity
Robert Cruikshank
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74
The Bohr Model: An Electron Orbiting a Proton
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75
Two Charges Orbiting Each Other
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76
What is an Electric Quadrupole?
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77
Potential of an Electric Quadrupole
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78
Solving One Branch of a Parallel Circuit
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79
Electric power: Definitions (A Two Minute Video)
Robert Cruikshank
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