Bronfenbrenner's final level is the macrosystem, which is the largest and most remote set of people and things to a child but which still has a great influence over the child.
Term EMF is acronym for Electro-Motive-Force , that is a Force that Moves Electric Charge. It is not implied by the name of that term whether the origin of the Force is elecrostatic, magnetic , thermoelectric , or electrochemical.
When the flux changesâbecause B changes, or because the wire loop is moved or deformed, or bothâFaraday's law of induction says that the wire loop acquires an EMF, , defined as the energy available from a unit charge that has travelled once around the wire loop.