Induction and synchronous generators

There are two primary types of generators, induction and synchronous generator. However, when it comes to the production of electric current using electromagnetic induction, synchronous generator is applied. It usually has two parts, the rotor, and the stator. The rotor entails field poles, whereas stator entails armature types of conductors. This shows the reason why the generator does not 'form' electrical energy. The generator is usually made up of a magnet and wire loop, rotating the magnetic field of a magnet. In this case, as the wire keeps rotating in the magnetic field, the strength of the magnetic field that changes through the wire results in the production of a force driving electric charges around the wire. However, the field poles' rotation that induces alternative voltage is what results in the generation of electrical power. Hence, these generators use electromagnetic induction to convert kinetic energy into electrical energy (Guisasola, Almudi, & Zuza, 2013) . Thus, an electric current is produced. 

Reference 

Guisasola, J., Almudi, J. M., & Zuza, K. (2013). University Students’ Understanding of Electromagnetic Induction. International Journal of Science Education , 2692-2717.