Master the Fundamentals of Electromagnetism and EM-Induction

Hi everyone. In this lecture, I will introduce the concept of magnetic flux density, B as well as its SI unit, Tesla T. I will also mention several formulas which allow us to calculate the value of B. More details about the definition and unit of magnetic flux density is covered at a later lecture. Cheers! ;-)

In this lecture, I will discuss some of the effects of soft iron on magnetic field.

Note: Ferromagnetic materials are materials which are capable of exhibiting large net magnetization even in the absence of a magnetic field.

Hi everyone! In this lecture, I shall discuss about the effect of magnetic force on magnetic poles and current. The formula to calculate magnetic force F = BIL will also be briefly mentioned. Please remember to download the notes for your reference when watching the video lecture. Cheers! ;-)

In this lecture, I shall introduce an important rule, called the Fleming's Left-Hand Rule (FLHR). FLHR is often used to determine the direction of the induced force (F), given that a conductor carrying a current I is placed in a region of magnetic field of flux density B. Please feel free to download the notes for the lesson. Cheers! ;-)

In this lecture, I will discuss about the effect of a force on a conductor placed in a region of magnetic field. I will also introduce the formula of F = BIL by also considering the angle between the current and the B-Field. Cheers! ;-)

In this short lecture, I will introduce the definition and Unit for Magnetic Flux Density with the help of the formula B = F / IL.

There is no video lecture. Please download the brief notes for your reading. Cheers! ;-)

In this lecture, I shall discuss about the method to calculate the value of magnetic flux density using a current balance approach. ;-)

In this lecture, I will discuss about the effect of magnetic force on a mobile charge. Cheers! ;-)

In this lecture, I will discuss about the effects of a uniform electric field on charged particles. Cheers! ;-)

In this lecture, I shall discuss about the effects on charged particles inside a uniform magnetic field. Cheers! ;-)

In this lecture, I will discuss about the effects on charged particles when the velocity is perpendicular to the magnetic field. Cheers! ;-)

In this lecture, I will discuss about the effect of velocity component along the magnetic field. Cheers! ;-)

In this short lecture, I will attach a table comparing the effects on charged particles in a magnetic field and an electric field.

There is no video at the moment for this lecture. Please download the article for your reading. Cheers! ;-)

In this lecture, I will highlight the concept of the velocity selector. Please download the notes for your reading before viewing the video lecture. Cheers! ;-)

Dear students. In this lecture, I will introduce the basic working structure of a DC motor. In addition to the introduction of the DC motor, I have also included a separate article about the 'Catapult Effect', which essential explains how the magnetic force is produced due to the interactions between the magnetic field sets up by a current as well as by the external magnetic field.

Please feel free to download the lecture notes for your reference. Cheers! ;-)

In this lecture, I have attached an article about the function of a circuit breaker for your reading. The working principle of a circuit breaker basically depends on electromagnetism.

There is no lecture video at the moment. Cheers! ;-)

Dear students, in this lecture, I will reveal the solutions to the tutorial questions. You are strongly encouraged to download the tutorial questions and attempt them before viewing the solutions online. Cheers! ;-)

Dear student, welcome to this lecture on electromagnetic induction. In this lecture, I shall introduce the concept of magnetic flux. Please kindly download the student notes before viewing the video. I hope you enjoy the lesson. Cheers! ;-)

In this lecture, I will introduce the concept of magnetic flux linkage, highlighting the relationship of magnetic flux linkage to magnetic flux and magnetic flux density. Cheers! ;-)

Dear student, welcome to this lecture. In this lecture, I will discuss the important laws of electromagnetic induction - the Faraday's Laws! Please download the student notes before going through the video. Enjoy the lesson! Cheers! ;-)

Dear student, welcome to this lecture on Lenz's law. Lenz's law is an important law which works together with Faraday's law to explain about the phenomenon of electromagnetic induction. Please download the student notes before viewing the lecture. Enjoy the lesson! Cheers! ;-)

Hi everyone. Welcome to this lecture. In this lecture, I will introduce the Fleming's right-hand rule. For optimal learning experience, I would suggest to download the notes before viewing the video. Thank you! ;-)

Dear student, welcome to this lecture. In this lecture, I will discuss about the concept of motional emf. It is recommended that you download the student notes before viewing the video. Enjoy your lesson! Cheers! ;-)

Dear student, I shall discuss about the working structure of an AC Generator in this lecture. Please download the notes before viewing the video lecture. Cheers! ;-)

Dear student, welcome to this lecture. In this lecture, I shall discuss about the use of Eddy Current Braking. Please download the notes before viewing the lecture video. Hope you will enjoy the lesson. Cheers! ;-)

Dear student, I will include some resources in this lecture to briefly introduce the concepts of Transformers.

A structure of a transformer comprises a primary coil and a secondary coil. Through an a.c supply in the primary coil, a changing magnetic field is set up and experienced by the secondary coil. An induced emf, and hence induced current, will be produced in the secondary coil due to the changing magnetic field.

There are basically two types of transformers - step-up and step-down. A step-up transformer essentially step up the voltage in the secondary coil as compared to the primary coil, while a step-down transformer step down the voltage.

Please feel free to download the notes for your reading. There is no lecture video at the moment. Cheer! ;-)

Dear students, in this lecture, I will reveal the solutions to the tutorial questions. You are strongly encouraged to download the tutorial questions and attempt them before viewing the solutions online. Cheers! ;-)

Dear student, these two files are the solutions to the quizzes for the course. Please feel free to refer to them for your revision. Thank you! Cheers! ;-)

In this lecture, you are given a problem dealing with a coil comprising of 80 turns. The interesting part is to calculate the amount of charge that flows through the circuit. You are strongly encouraged to try the question before viewing the solution video. Cheers! ;-)

Dear student, welcome to this problem-solving lecture. In this lecture, you are to derive an expression for the resultant magnetic flux density. Please revise and recall the formula to determine the magnetic flux density for a piece of current-carrying wire before trying the question. Have fun problem-solving! Cheers! ;-)

Dear student, welcome to this lecture. In this lecture, I will discuss the solution to a problem involving the use of a contactless smartcard. You are strongly encouraged to attempt the problem before viewing the video solution. Thank you! :-)