Abox with a mass of 12.5 kg sits on the floor. how high would you need to lift it for it to have a gpe of 355 j

when it gains or loses electrons

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.