UNIVERSITY PHYSICS II CHAPTER 21 Faraday's Law and Electromagnetic Induction 821.1 Faraday's law of electromagnetic induction 1. Experiments ① A magnet and a ② two loops of wire,a loop of wire battery and a switch A current is observed in the loop as long as the magnetic flux through the loop is changing with time1 1. Experiments 1A magnet and a loop of wire 2two loops of wire, a battery and a switch A current is observed in the loop as long as the magnetic flux through the loop is changing with time. §21.1 Faraday’s law of electromagnetic induction