This physics video covers a tutorial on electric charge and electric force (Couloumb's law), superosition and introduces electric permittivity, electric fields, dielectrics and capacitance. 0:00 Electric charge 2:00 Electric force, Couloumb's law 7:25 Electric force Vs gravitational force 9:18 Superposition of electrostatic forces 11:42 Intro to electric permittivity, electric fields, dielectrics and capacitance 15:49 Worked example on electric force and superposition

This physics video covers a tutorial on the conservation of electric charge, the charging process, polarisation, charging by induction and grounding. 0:00 Conservation of electric charge, charging process, polarisation 2:39 Charging by induction, grounding

This physics video covers a tutorial on the conservation of electric fields, superposition, electric field maps, and introduces conductors and insulators. 0:00 Electric fields 2:48 Electric field maps, superposition 5:37 Worked example on electric fields and superposition 13:17 Electrostatic equilibrium, intro to conductors and insulator

This physics video covers a tutorial on determining the electric fields of charge distributions by integration. 0:00 Electric fields of charge distributions 2:51 Electric field of an infinitely long wire along the bisector 9:44 Electric field of a finite wire along the bisector 13:10 Electric field of a thin ring along its axis 18:00 Electric field of a semicircular arc in the center 21:08 Electric field of a finite wire at a collinear point

This physics video covers a tutorial on electric flux through a closed surface.

This physics video covers a tutorial on Gauss's law, which is an alternative method used to obtain the electric field of a charged object. 0:00 Intro to Gauss's law 3:23 Worked examples on Gauss's law 10:57 Electric field of charged body, charge density function

This physics video covers a tutorial on electric potential energy. 0:00 Intro to electric potential energy 4:35 Electric potential energy of a system of charges 7:20 Worked example on electric potential energy

This video explains electric potential in a simplified way including equation, units, definition and derivation from electric potential energy. You will understand what it is, and the difference to electric field and voltage. This physics video covers a tutorial on electric potential. 0:00 Electric potential, superposition 4:16 Examples, potential due to distributions of charges 20:38 Electric potential difference due to chemical processes 23:09 Relationship between electric potential and electric field 27:33 Equipotential lines 31:38 Worked example, electric potential, equipotential lines

This video explains the conservation of electric energy with a worked example. 0:00 Intro to conservation of electric energy 3:16 Worked example on the conservation of electric energy

This video covers a tutorial on electrostatics with conductors, including whether they are positively or negatively charged, and electrostatic shielding. The three results are that the electric field inside a conductor is zero, excess charge resides on the surface, and the electric field just outside conductor is perpendicular to the surface. 0:00 Electric fields of conductors 4:38 Electric potential of conductors 6:13 Polarisation of conductors 7:12 Electrostatic shielding 11:24 Worked example on electrostatic shielding in concentric conductors 14:45 Worked example on plotting the variation in electric field/potential 17:00 Worked example on electric potential in concentric conductors 21:50 Electric potential of cylindrical wire

This video explains the redistribution of electric charge between conductors. It also explains grounding and what it means to do it. 0:00 Redistribution of charge between two connected spherical conductors 4:14 Charge distribution and electric field outside non-uniform conductors 5:48 Charging by grounding

This video explains what a capacitor is and its main purpose or use in simple words, including the capacitance equation which depends on charge, and different capacitor geometries such as coaxial cables and concentric spheres. 0:00 Intro to capacitors, capacitance 6:09 Deriving the capacitance from the electric field and potential 10:18 Electric potential energy stored in a capacitor 13:19 Capacitor with concentric spheres, capacitance 17:31 Capacitance of a coaxial cable (coaxial cylinders) 22:02 Worked example on capacitors

This video explains what a dielectric is in simple words or terms, its purpose and main use of it, the meaning and symbol of dielectric constant, how it increases the capacitance of a capacitor using the formula or equation, and polarity. You will be able to understand what is meant by the definition of dielectric, the difference between dielectric and insulator, what high capacitance means, and identify the units of capacitance.

This video explains the meaning of electric current and its flow in simple words, including the definition, symbol, units, formula. It also explains what is meant by electromotive force (EMF), voltage and potential difference, whether current density (J) is a scalar or vector and difference to current. The derivation of the relation between current density and drift velocity of electrons is also provided, and why the drift speed is slow. 0:00 Electric current, drift velocity, EMF 6:04 Current density 10:13 Conventional current 12:18 Worked example on electric current

This video explains basic electric circuit symbols and diagrams, what is an electronic circuit with an example simulation, and how to simulate a breadboard circuit while understanding the connection, principle and what it is used for. You will understand what is meant by open and closed circuit, and the difference between open and short circuit. Tinkercad https://www.tinkercad.com/ 0:00 Simple electric circuits 3:35 Circuit schematics and elements 7:21 Circuit example using Tinkercad, breadboard basics

The meaning of resistivity (high or low) vs resistance and the difference between them is explained in simple words or terms. Ohm's law, formula, statement or equation is explained using the definition, the graph of current vs voltage, and an example of a simple circuit. It is used to calculate the voltage drop of an electrical load but is not universal and resistance has units of ohms (or volts on amps). 0:00 Resistance and resistivity 5:40 Ohm's law, ohmic materials 8:43 Worked example

The two or three electrical power formulas are derived from voltage, current and resistance using Ohm's law, and electric potential energy, including how to calculate it from class 10 physics and the unit. A simple circuit with 4 basic components is used as an example, including a device that changes energy to light energy and an open switch. Series and parallel circuits, and flowing movement of electricity are background knowledge.

Direct current (DC) circuits are explained using formulas for resistor connection in series and parallel, what happens, how does current flow, why ideal ammeter has zero resistance, meaning of ideal voltmeter. Examples, problems and solutions, are covered. 0:00 Resistors in series and parallel 5:52 Ideal and non-ideal batteries 8:06 Ammeters and voltmeters 11:02 Worked example on DC circuits

Kirchhoff's voltage law (KVL), loop rule or first (1st) law is based on the conservation of energy. Problems and solutions that apply KCL (the current (or 2nd) law or junction rule) and KVL are deferred to the following tutorial. KVL can also be applied to parallel circuits. The conventional current sign convention is used. 0:00 Kirchhoff's loop rule 2:33 Electric potential Vs position graphs

Kirchhoff's current law (KCL), junction rule or second law is based on the conservation of electric charge. KCL and KVL are demonstrated using a solved problem on circuits. 0:00 Kirchhoff's junction rule 1:44 Worked example

The physics of a resistor capacitor (RC) circuit is explained and how it works using the circuit diagram, analysis of the differential equations and solution curves (charge, current, voltage, energy) , time constant formula, including what rc is and if it is the same as a DC circuit. You will understand what a capacitor acts like during charging and difference between capacitance rules in series and parallel connections. 0:00 Capacitors in series and parallel 6:40 RC circuits, charging capacitor ODE 14:05 RC circuits, discharging capacitor ODE 19:48 Physical interpretation of the solutions 27:31 Worked example

This video explains the meaning and definition of magnetism in simple terms using examples (e.g. the earth, compass), what do magnets attract, magnetic field, flux and pole, difference between electric and magnetic field, what is meant by magnetic dipole, what causes it and how a magnet works. The magnetic permeability constant is also covered, including units, formula, definition and value for materials like aluminium (paramagnetic) and which material has high magnetic permeability (ferromagnetic). All materials have the diamagnetism property. 0:00 Magnetic fields 3:51 Magnetic dipoles 8:46 Magnetic behavior of materials 13:17 Magnetic permeability

This video explains the Biot-Savart law, including the definition, derivation of the formula in both vector and scalar form, sign convention using the right hand rule, and what it is. It also explains how to calculate the magnetic force on a wire carrying current in a magnetic field. Worked examples are covered, including magnetic field at the center of a wire loop and along the bisector of an infinite wire. 0:00 Biot-Savart law 3:43 Magnetic field, sign convention 8:23 Magnetic force on current carrying wire 11:11 Worked examples

This video explains Ampere's circuital or current law, including the formula, what it explains, difference between Gauss's law, how it can be more efficient than Biot-Savart's law, its use for determining the magnetic field in a solenoid, and Maxwell's addition for magnetic fields from electric fields. 0:00 Ampere's law 4:20 Magnetic field in solenoid 9:44 Superposition 14:22 Recap of Maxwell's equations 17:51 Worked examples

This video explains magnetic flux in simple words, including formula, definition, units, symbol and equation. You will understand what it is vs a magnetic field, the integral, and the difference between electric flux.

This video explains Faraday's law of electromagnetic induction in simple terms, including formula, equation, Lenz's law, and example practice problems. You will understand that a changing magnetic flux induces an electric field and an electromotive force (EMF) that opposes it. Faraday's law is the 3rd of Maxwell's equations that describe electromagnetism and predict the speed of light. 0:00 Faraday's law of induction 4:41 EMF induced in a long solenoid 8:45 Induced electric fields 13:48 Electromagnetic waves 16:29 Worked examples

This video explains induced current from a magnetic field, including formula, direction from the right hand rule, meaning and how electromagnetic energy is converted to mechanical energy. You will understand how the electromotive force (emf) relates to induced current.

This video explains the meaning of inductance (e.g. of a coil) in simple words, including formula and equation. You will understand what is inductance vs resistance, and the difference to induction and capacitance. 0:00 Inductance 4:15 Energy stored in inductor

This video explains LR (or RL) circuits, including current formula, derivation of solutions to differential equations, time constant and practice problem. You will understand what an LR circuit is in electrical terms. 0:00 LR circuit, charging ODE and solution 5:21 LR circuit, discharging ODE and solution 9:07 Physical interpretation of solution 15:29 Worked example

This video explains inductor-capacitor (LC) circuits, including derivation of the differential equation and solution, circuit diagram and current formula. You will understand what it is compared to an RC circuit. 0:00 ODE and solution derivation 4:29 Interpreting the solution 10:00 Conservation of energy