Ignition coil primary winding. Current flow through the coil produces an electromagnetic field, which is used to induce a high voltage in the secondary coil.
点火线圈初级绕组。电流通过线圈，产生一个电磁场，用来在次级线圈中产生高电压。
2
Electromagnetic motor has the advantages of simple structure, handiness, precise ignition and convenient maintenance in modern igniting system.
在现代点火系统中，磁电机具有结构简单、轻便、点火准确、可靠、维修方便等优点。
3
Electromagnetic wave radiation produced due to the high voltage spark ignition will interfere the radio receiving system nearby.