I really don't understand the question thank you.
"Many electronic devices make use of the relationship between electrical currents and magnetic fields. Describe how this relationship is used in electrical and electronic devices. Be sure to address the physics principles and how they work in the devices"
"Many electronic devices make use of the relationship between electrical currents and magnetic fields. Describe how this relationship is used in electrical and electronic devices. Be sure to address the physics principles and how they work in the devices"