Briefly describe how an ignition coil works

[VanHector]

Ignition coil works by stepping up the voltage, converting the low voltage from the vehicle into high voltage electricity. When the ignition coil is connected to the power supply, a strong magnetic field is generated around it as the current increases, and the iron core stores the magnetic field energy. When the switching device disconnects the ignition coil circuit, the magnetic field of the ignition coil rapidly decays, inducing a very high voltage in the secondary coil. The faster the magnetic field of the ignition coil disappears, the greater the current at the moment of disconnection, and the larger the turns ratio between the two coils, the higher the voltage induced in the secondary coil. The working method of the ignition coil is different from that of an ordinary transformer. While an ordinary transformer works continuously, the ignition coil works intermittently, repeatedly storing and releasing energy at different frequencies according to the engine speed.