Category: 5. Magnetic Circuits

The region around the magnet where its poles exhibit a force of attraction or repulsion is called magnetic field. The existence of the magnetic field at a point around the magnet can also be determined by placing a magnetic needle at that point, as shown in Figure 5.1. Although magnetic lines of force have no real existence and…

The operation of all electrical machines such as DC machines, transformers, synchronous machines, and induction motors rely upon their magnetic circuits. The closed path followed by the magnetic lines of force is called a magnetic circuit. The operation of all the electrical devices (e.g., transformers, generators, motors, etc.) depends upon the magnetism produced by their…