Magnetodynamics & Magnetostatics – Hub of related Posts

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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, ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 & ...
Continue Reading

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, ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading

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 ...
Continue Reading