Respuesta :
Electromagnet is a strong, short-lived magnet created by a looped electrical current.
I am sure it is correct!
I am sure it is correct!
Answer:
Electromagnet
Explanation: In electromagnet, electric current is passed through coiled electric wire which generate magnetic field and when flow of current is turned off, magnetic effect will disappear. Here we can adjust strength and time of magnetism. These coiled wires are wrapped around a core made up of ferromagnetic material such as iron.
