EM charge, or electromagnetic charge, is the fundamental property of particles that allows them to interact with electromagnetic fields. It is important because it is responsible for many phenomena in our daily lives, such as electricity, magnetism, and light.
Conduction is the transfer of energy or charge through a material. In the case of EM charge, it refers to the transfer of charge through a conductor, such as a metal wire. EM charge is responsible for the movement of charge during conduction.
Retaining EM charge after conduction means that the charge remains in the conductor after the transfer of charge has occurred. This is important because it allows for the continued flow of electricity and the functioning of devices that rely on electric current.
EM charge is retained after conduction through the use of insulating materials, such as rubber or plastic, which prevent the charge from escaping the conductor. Additionally, the shape and size of the conductor can also affect the retention of EM charge.
The retention of EM charge can be affected by various factors, such as the type of material used as insulation, the length and thickness of the conductor, and the presence of any external electric or magnetic fields. These factors can alter the flow of charge and impact the retention of EM charge.