Chapter 23 — Electric Fields

APPhyE&MChap23-24Def & Cons

CLICK HERE FOR SOME SERWAY CHAPTER 23 NOTES

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I. Electricity
  Electric Force 56:18
    Intro 0:00  
    Electric Charge 0:18  
      Matter Consists of Atom 1:01  
      Two Types of Particles: Protons & Neutrons 1:48  
      Object with Excess Electrons: Negatively Charged 7:58  
      Carbon Atom 8:30  
      Positively Charged Object 9:55  
    Electric Charge 10:07  
      Rubber Rod Rubs Against Fur (Negative Charge) 10:16  
      Glass Rod Rub Against Silk (Positive Charge) 11:48  
      Hanging Rubber Rod 12:44  
    Conductors and Insulators 16:00  
      Electrons Close to Nucleus 18:34  
      Conductors Have Mobile Charge 21:30  
      Insulators: No Moving Electrons 23:06  
      Copper Wire Connected to Excess Negative charge 23:22  
      Other End Connected to Excess Positive Charge 24:09  
    Charging a Metal Object 27:25  
      By Contact 28:05  
      Metal Sphere on an Insulating Stand 28:16  
      Charging by Induction 30:59  
      Negative Rubber Rod 31:26  
      Size of Atom 36:08  
    Extra Example 1: Three Metallic Objects 7:32  
    Extra Example 2: Rubber Rod and Two Metal Spheres 6:25  
Coulomb’s Law 87:18
    Intro 0:00  
    Coulomb’s Law 0:59  
      Two Point Charges by Distance R 1:11  
      Permitivity of Free Space 5:28  
    Charges on the Vertices of a Triangle 8:00  
      3 Charges on Vertices of Right Triangle 8:29  
      Charge of 4, -5 and -2 micro-Coulombs 10:00  
      Force Acting on Each Charge 10:58  
    Charges on a Line 21:29  
      2 Charges on X-Axis 22:40  
      Where Should Q should be Placed, Net Force =0 23:23  
    Two Small Spheres Attached to String 31:08  
      Adding Some Charge 32:03  
      Equilibrium Net Force on Each Sphere = 0 33:38  
    Simple Harmonic Motion of Point Charge 37:40  
      Two Charges on Y-Axis 37:55  
      Charge is Attracted 39:52  
      Magnitude of Net Force on Q 42:23  
    Extra Example 1: Vertices of Triangle 9:39  
    Extra Example 2: Tension in String 11:46  
    Extra Example 3: Two Conducting Spheres 6:29  
    Extra Example 4: Force on Charge 9:21  
Electric Field 97:24
    Intro 0:00  
    Definition of Electric Field 0:11  
      Q1 Produces Electric Field 3:23  
      Charges on a Conductor 4:26  
    Field of a Point Charge 13:10  
      Charge Point Between Two Fields 13:20  
      Electric Field E=kq/r2 14:29  
      Direction of the Charge Field 15:10  
      Positive Charge, Field is Radially Out 15:45  
    Field of a Collection of a Point Charge 19:40  
      Two Charges Q1,Q2 19:56  
      Q1 Positive, Electric Field is Radially Out 20:32  
      Q2 is Negative, Electric Field is Radially Inward 20:46  
      4 Charges are Equal 23:54  
    Parallel Plate Capacitor 25:42  
      Two Plates ,Separated by a Distance 26:44  
      Fringe Effect 30:26  
      E=Constant Between the Parallel Plate Capacitor 30:40  
    Electric Field Lines 35:16  
      Pictorial Representation of Electric Field 35:30  
      Electric Lines are Tangent to the Vector 35:57  
      Lines Start at Positive Charge, End on Negative Charge 41:24  
      Parallel Line Proportional to Charge 45:51  
      Lines Never Cross 46:00  
    Conductors and Shielding 49:33  
      Static Equilibrium 51:09  
      No Net Moment of Charge 53:09  
      Electric Field is Perpendicular to the Surface of Conductor 55:40  
    Extra Example 1: Plastic Sphere Between Capacitor 8:46  
    Extra Example 2: Electron Between Capacitor 11:52  
    Extra Example 3: Zero Electric Field 10:44  
    Extra Example 4: Dimensional Analysis 6:01  
  Electric Field of a Continuous Charge Distribution 100:12
    Intro 0:00  
    General Expression For E 0:16  
      Magnitude of Electric Field 1:29  
      Disk: Spread Charge Distribution 5:04  
      Volume Contains Charges 6:16  
    Charged Rod One Dimension 16:28  
      Rod in X-Axis 17:00  
      Charge Density 17:49  
      Find Electric Field at Distance ‘A’ 19:05  
    Charged Rod, Cont. 32:48  
      Origin at Center, Extends From -L to +L 33:11  
      Dividing Rod into Pieces 34:50  
      Electric Field Produced At Point P 35:09  
      Another Element 37:43  
      ‘Y’ Components of Electric Field 42:15  
    Charged Ring 54:23  
      Find Electric Field Above the Center 54:48  
    Charged Disc 58:43  
      Collection of Rings 59:10  
    Example 1: Charged Disk 17:18  
    Example 2: Semicircle with Charge 7:49  
    Example 3: Charged Cylindrical Charge 13:53  

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