Magnetodynamics & Magnetostatics – Hub of related Posts

Here goes the list of our posts on Magneto dynamics and related topics and subtopics. (Magnetodynamics – Hub of related Posts)

Permeability & Relative Permeability

In this post, we will discuss Permeability & Relative Permeability with their definition, relationship, equations, formula, the permeability of air, examples, etc. Permeability The ability of a material to conduct ...
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Applications of generators and motors

In this post, we will briefly discuss the different applications of generators and motors. Applications of generators and motors in cars Alternator in cars A car contains an alternator that ...
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Aurora Borealis Aurorae | Aurora Australis

An effect caused by the Earth’s magnetic field is the spectacular Northern and Southern Lights, which are also called the Aurora Borealis (Figure 1) and the Aurora Australis respectively (Figure ...
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The importance of the Earth’s magnetic field to life on Earth

The Earth’s magnetic field is very important for humans and other animals on Earth because it protects us from being bombarded (struck) by high-energy charged particles, which are emitted by ...
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Magnetic fields due to different currents

An electric current can cause a magnetic field. The field patterns due to different currents can be seen in the diagrams below. The field pattern of a straight wire carrying ...
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Comparison between electric field and magnetic field

A table of the comparisons between the electric field and the magnetic field is shown below. Electric Field Magnetic Field An electric field is caused by charges. But, a magnetic ...
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The North pole and South pole of a magnet attract the paper clips equally – how?

In this post, we will discuss how the North pole and the South pole of a magnet attract the paper clips equally. When the magnet is brought close to the ...
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Force Between Parallel Currents – how to derive the formula

Here, we will find out the formula of the force that acts between parallel currents. Force Between Parallel Currents - deriving the formula Consider two long wires kept parallel to ...
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AQA GCSE Physics – Equations & Formulae from Magnetism and Electromagnetism chapter

The image below shows a list of equations and formulae from the chapter "Magnetism and Electromagnetism" of the GCSE Physics syllabus. This is also helpful for all other equivalent boards ...
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Electromagnets & its uses

We can make a magnet that we can switch on and off, using a coil of wire and a battery. It is called an electromagnet. Remember that, a bar magnet ...
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Electromagnetic Induction – Concepts with Revision Notes

In this post, we explore electromagnetic induction - the creation of an electric current from a changing magnetic field. Whether the primary source of energy is burning coal, falling water, ...
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The Transformer equation & Transformer efficiency

In this post we will discuss in detail about the transformer equation and transformer efficiency. We will also solve a few numerical problems using the transformer and efficiency equations. The ...
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Transformer – what is it and how it works?

What is a transformer? A transformer is used to change or transform alternating potential difference between (a) the power station and the cables, and (2) between the cables and our ...
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Magnetism

In this post, we will discuss the fundamentals of magnetism. Also, a number of related terminologies like magnetism, magnetic fields, ferromagnetism, paramagnetism, diamagnetism, permanent magnet, poles of magnets, magnetic attraction ...
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Magnetic Field & Magnetic Field Lines

This post defines the magnetic field and magnetic field lines. This also enlists the properties of magnetic field lines. What is Magnetic field? | Define magnetic field Magnetic Field & ...
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9 Worksheets on Electromagnetism [MCQ] | Multiple Choice Questions from the Electromagnetism chapter – physics

Here we present MCQ worksheets on Electromagnetism. Get these worksheets containing Multiple Choice Questions with their answers on topics like electromagnetism basics, electromagnet, power generation or electricity generation, etc. Also, ...
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Magnetic field lines of permanent magnets & current-carrying wires | How to calculate the magnetic field at an arbitrary distance from the wire?

Let's learn the idea of magnetic field lines of permanent magnets & current-carrying wires, how these lines behave in the situation of permanent magnets and current-carrying wires, and also how ...
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[pdf notes] Magnetism in physics – grade 10 Notes download | class 10 physics notes on Magnetism

This Magnetism Notes [PDF] is primarily for the grade 10 (10th grade) physics syllabus of different international boards. This also covers the class 10 physics syllabus on Magnetism for boards ...
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[pdf notes] Generator, motor & electrodynamics – grade 12 Notes download | class 12 physics notes on Generator, motor & electrodynamics

This Generator, motor & electrodynamics Notes [PDF] is primarily for the 12th grade physics syllabus of different international boards. This also covers the class 12 physics syllabus on Generator, motor ...
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Generator Effect and Motor Effect – underlying Physics principle

Generator Effect and Motor Effect - Fleming's left-hand rule and right-hand rule are the 2 key guidelines to discuss generator effect and motor effect. We will discuss these effects with ...
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Electromagnetism: Fleming’s Left hand Rule, Right Hand Rule, Maxwell’s Right hand thumb/grip rule with statements and uses

Let’s find out a few interesting incidents of electromagnetism and in the process let’s discuss a few physics Laws or rules like Maxwell's Right-hand thumb rule or Right-hand grip rule ...
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