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)

Orbital motion of a charge in the magnetic field & radius of the orbit

The direction and magnitude of the force on a charged particle in a magnetic field affect the path that an electric charge takes. The direction of the force causes the ...
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Work done by a magnetic field on a moving charge

Magnetic fields do no work on charged particles that travel through them - at least, not by the definition of work in physics. So a charged particle in a magnetic ...
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Magnetic field in solenoid – formula, direction

In this post, we will discuss the Magnetic field in a solenoid. We will also study the formula of the magnetic field in a solenoid and how to find out ...
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Path of a Charged Particle in a Uniform Magnetic Field

Path of a Charged Particle in a Uniform Magnetic Field - The direction of the initial motion of a charged particle in an external magnetic field determines how the charged ...
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Solenoid – magnetic field

A long closely wound helical coil is called a solenoid. Fig 1 shows a section of a stretched-out solenoid. Fig 1 Magnetic field due to a current-carrying solenoid. Solenoid and ...
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Magnetic field along the axis of a circular coil carrying current

In this post, we will see how to derive equations for the Magnetic field along the axis of a circular coil carrying current. We will also find the magnetic field ...
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Magnetic field due to infinitely long straight conductor carrying current

In this post, we will apply the Biot-Savart law to derive an equation for the Magnetic field due to an infinitely long straight conductor carrying current. Magnetic field due to ...
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Biot-Savart Law statement, formula, derivation

In this post, we will cover the Biot-Savart Law statement, formula, and derivation. Biot and Savart conducted many experiments to determine the factors on which the magnetic field due to ...
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Definition of ampere

Definition of ampere will be obtained here from the equation of the force between two parallel wires carrying currents. The force between two parallel wires carrying currents on a segment ...
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Force between two long parallel current-carrying conductors

In this post, we will obtain the formula of the Force between two long parallel current-carrying conductors. AB and CD are two straight very long parallel conductors placed in the ...
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Force on a current carrying conductor in a magnetic field

We can obtain the equation for the Force on a current-carrying conductor in a magnetic field using the formula of the force on a moving charge in a magnetic field ...
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Force on a moving charge in a magnetic field – formula

When a charged particle (or charge) moves in a magnetic field, a magnetic force acts upon it. In this post, we will discuss this and obtain the formula of the ...
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Ampere’s Circuital Law – statement, formula

This post covers Ampere's Circuital Law with its statement and formula. Ampere's Circuital Law in electromagnetism is analogous to Gauss' Law in electrostatics. Ampere's Circuital Law - statement Ampere's Circuital ...
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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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