A coil with an iron core is called an electromagnet. The iron core increases the coil’s magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail. An iron core ...

For each application the right type of stepper motor and driving ... As an example of a basic form you got a unipolar coil design with a permanent magnetic (PM) core, such as the very common ...

Since the cook surface uses magnetic fields to generate ... Instead of using an air coil to generate heat in the cookware, this one uses an iron core instead. The project’s creator [mircemk ...

This magnetic field changes as the current changes. The iron core is easily magnetised ... are fewer turns on the secondary coil than on the primary coil. Type of transformer Size of output ...