Chapter 27 Electromagnetic Induction and faraday's law 2) induced current(感应电流) The current produced in the loop is called an induced current 3) Induced emf(感应电动势) The work done per unit charge to produce that current is called induced emfChapter 27 Electromagnetic Induction and Faraday’s Law 2) induced current (感应电流) The current produced in the loop is called an induced current. 3) Induced emf (感应电动势) The work done per unit charge to produce that current is called induced emf