# Course Basics of Electricity and Magnetism

Electromagnetic phenomena and their applications Level 2 (without higher mathematics)
Level 2 requires school mathematics. Suitable for pupils.
1. 1
Lesson

## Electric Current: The Most Basic Explanation From a Physics Point of View

In this lesson you will learn the basics of the electric current, i.e. the definition, its physical meaning and unit.

Video

## Electric Current explained simply in 7 minutes!

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Formula

## Electric current (definition)

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2. 2
Lesson

## Voltage: How it is created by charge separation!

Here you will learn what voltage is, how it is generated by charge separation, how a voltage source can be created, and what voltage has to do with current.

Video

## Voltage: The Most Basic Explanation From a Physics Point of View

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## Electrical Energy (Work, Voltage, Charge)

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3. 3
Video

## Ohm's Law: 2 Easy Ways to Understand and Apply It to Circuits

1. What is the Difference Between an Ohmic and Non-Ohmic Conductor?
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Formula

## Ohm's Law (Resistance, Voltage, Current)

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4. 4
Lesson

## Simple (Series and Parallel) Circuits. The Basics.

Here you will learn how an electrical circuit works and how to apply Ohm's Law to it. You will also learn about parallel and series circuits and their difference.

Video

## The 5 Differences Between Parallel and Series Circuit

1. What is the Difference between a Series and Parallel Connection of Resistors?
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## Voltage Divider (Output and Input Voltage, Resistors)

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5. 5
Derivation

## Electric Power

Simple derivation of the electric power P, which we express with voltage U and current I and then rewrite using the URI formula.

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## Electric current (definition)

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6. 6
Lesson

## Plate Capacitor: Voltage, Capacitance and Eletric Force

Here the plate capacitor is simply explained. With the help of the capacitor you will learn about the electric voltage, electric field and electric capacitance and how to calculate them for a plate capacitor.

Video

## Plate Capacitor explained simply in 7 minutes!

Quests with solutions
Exercise with solution
Level 2 (without higher mathematics)

## Create a Plate Capacitor with a Certain Capacitance

Exercise with solution
Level 2 (without higher mathematics)

## Charge in a thundercloud

Exercise with solution
Level 3 (with higher mathematics)

## Capacitor with and without dielectric in comparison

Derivations & Experiments
Derivation

## Plate Capacitor: Potential, E-field, Charge and Capacitance

Here, the electrostatic potential, electric field and the capacitance of a plate capacitor are derived using Laplace's equation.

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## Plate capacitor (potential, voltage, distance)

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7. 7
Video

## Capacitive reactance of a capacitor briefly explained

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Formula

## Capacitive Reactance (Capacitance, Frequency)

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8. 8
Video

## Inductive reactance of a coil briefly explained

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Formula

## Inductive Reactance (Inductance, Frequency)

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9. 9
Lesson

## Left / Right-Hand Rule: How to Determine Lorentz Force Direction

You learn how to use the hand rule to determine the direction of the Lorentz force and whether you have to use your right or left hand.

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10. 10
Lesson

## Lorentz Force: How to Determine its Direction and Understand Formula

Learn how Lorentz force (magnetic force) deflects a moving charge (electron) in the magnetic field and how you can determine the direction of the deflection.

Video

## Lorentz force simply explained in 6 minutes!

Derivations & Experiments
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## Two Current-Carrying Wires (Force, Current, Distance)

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11. 11
Video

## Mass Spectrometry. The Basic Principle.

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## Charge in an Electric Field (Force, Charge)

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12. 12
Lesson

## Hall Effect: A Simple Explanation of How Hall Voltage is Induced

Explanation of what the Hall effect is, how exactly the Hall voltage is generated and how you can calculate it and the Hall constant.

Video

## Hall Effect and a SIMPLE Derivation of The Hall Voltage

Derivations & Experiments
Derivation

## Hall Voltage due to the Hall Effect

Derivation of the Hall voltage (via Hall effect), which depends only on quantities that we can easily determine in an experiment.

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## Hall constant (Electron and Hole Mobilities, Charge Carrier Density)

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13. 13
Derivation

## Capacitance - Series and Parallel Connection of Capacitors

Derive the total capacitance (equivalent capacitance) of a parallel circuit and a series circuit of two capacitors in an AC circuit.

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Formula

## Parallel connection (total capacitance / equivalent capacitance)

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14. 14
Derivation

## Total (Equivalent) Inductance of a Series and Parallel Circuit of Coils

Derivation of the total inductance (equivalent inductance) of a parallel circuit and series circuit of two coils using the Faraday's law of induction.