Why aren’t magnets able to bend or twist in the presence of forces? Why can’t magnets be magnetized in isolation? Is there anything to do about the magnetic field? Is there anything about magnets that makes them behave as though they have a magnetic field to begin with? Does a magnet become “magnetized” whenever a source of magnetic field is added to it? How and what are the effects of adding a source of magnetic field in a system?
To answer these questions, we need to think about magnets in terms of magnetic field lines. This provides us with a framework in which to analyze a given problem. In general, the more fields we observe – and the larger the number, the more we can compare.
In the following article, we will discuss many of these subjects. We will begin with a brief overview of the basic principles of the magnetic theory, then begin exploring the properties of magnetic magnetic fields. We will then look at the laws of magnetization and of forces in this context. Finally, we will discuss different forms of magnetism and how they relate to the properties of the field lines we observe.
Understanding the basic principles of the magnetic theory
The magnetic theory begins with a very simple equation,
It is the following line, with the zero at 0, that tells us what we are looking to achieve:
The equation in this line is the classic magnetic field equation. It represents what we are looking for by the classical equation for magnetic field,
(You may want to read an article I wrote on this site called Understanding the Classical Magnetic Field. It is available from here. )
Now, as I mentioned in the introduction, we have a concept that we can use to simplify the problem of magnetic fields,
What is our goal in understanding the classical field equation? To simplify the magnetic field equation, we will take the simplifying factor – E – to be 1 – E e (5)
The above equation shows what we are trying to achieve at the end of the problem: If E is 1, then E e must be either zero or positive one. What is the difference between this equation and the classical field equation? There are a few reasons, one of which is because we are calculating the position of the field lines of a magnetic object. The classical field equation is the equation you are trying to solve from the first position to the second,
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