Magnetodynamics & Magnetostatics – Hub of related Posts

To explain electromagnetic induction Faraday suggested that an e.m.f. is induced in a conductor whenever it ‘cuts’ magnetic field lines, i.e. moves across them, but not when it moves along ...

The effect of producing electricity from magnetism was discovered in 1831 by Faraday and is called electromagnetic induction. It inspired the construction of generators for producing electrical energy in power ...

Have you ever wondered how your sensitive electronic devices manage to operate flawlessly in a world filled with magnetic fields? The answer lies in a fascinating phenomenon called magnetic shielding ...

In the following paragraphs, different ways of Magnetization and Demagnetization are listed. Different Ways of Magnetization A ferromagnetic material can be magnetized by placing it inside a solenoid and gradually ...

Let's see how to plot magnetic lines of force using the Iron Fillings method. Place a sheet of paper on top of a bar magnet and sprinkle iron filings thinly ...

In this post, let's see how to plot magnetic lines of force with a plotting compass. A plotting compass is a small pivoted magnet in a glass case with non-magnetic ...

In this post, let's solve numerical problems based on Faraday's Law. 1 ) A coil of wire with 50 turns has a uniform magnetic field of 0.4 T passing through ...

Statement of Faraday’s law of Electromagnetic Induction summarizes the results of his experiments:A voltage (electromotive force) is induced in a circuit when there is a changing magnetic flux passing through ...

A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder is called a solenoid. The pattern of the magnetic field lines due ...

Problem statement: Calculate the magnetic field at the center of a square loop of side 10 cm carrying a current of 5A. Solution: Given: Square loop's side: a= 10 cm ...

Problem Statement: Find the magnetic field at a distance of 20 cm from a long, straight wire carrying a current of 10A. Solution: Given: current I =10 Adistance r = ...

Problem statement: Calculate the magnetic field at point P located on the axis at a distance of 10 cm from the center of a circular wire of radius 5 cm ...

Physics Numerical Problems Based on Biot Savart Law - The Biot-Savart law is a fundamental relationship in magnetostatics. It describes the magnetic field generated by a steady current. In this ...

In this post, we will find the formula of the magnetic field B at the center of a square loop of side a, carrying a current I. Here is the diagram to understand the situation ...

In this post, we have solved physics numerical on the magnetic moment. This is good for class 12. The magnetic moment formula is used. refer: Magnetic moment formula Question 1] ...

In this post, we will cover the Magnetic Moment, with its definition, formula, concepts, and questions. Magnetic Moment - definition, formula, and Concepts class 12 The quantity of a magnetic ...

In this post, we will study the definition and formula of Lorentz force. Lorentz force - definition Lorentz Force: When a charge q moving with velocity v enters a region ...

In this post, we will know about the Torque on a current loop in a uniform magnetic field. We will also derive its equation. If a loop of current-carrying wire ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

This post covers Ampere's Circuital Law (class 12) with its statement and formula. Ampere's Circuital Law in electromagnetism is analogous to Gauss' Law in electrostatics. Ampere's Circuital Law - statement ...

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 ...

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 ...

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 ...

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 ...

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

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 ...

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 ...

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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 & ...

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, ...

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 ...

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 ...

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 ...

Generator Effect and Motor Effect - Fleming's left-hand rule and right-hand rule are the 2 key guidelines for discussing generator effect and motor effect. We will discuss these effects with ...

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 ...