47 A conductor the is term given a material to whose electrons will move easily from one another. to atom A typical conductor a is length copper of wire. (symbol H) is henry Michael Faraday in 1831 Michael Faraday Lenz put forward what became conductor by a changing magnetic by conductor in order to function. The term refers to The term to function. in order . He stated that: . Lenz’s law Lenz’s Faraday was not the only one to have observed was not the only to have one the Faraday Henry at about induction electromagnetic also discovered The direction of an induced electromotive force is always force such electromotive of an induced The direction The magnitude of the emf induced in the inductor is the emf induced in the inductor The magnitude of When then an changes a conductor the magnetic flux linking proportional to the rate to the proportional of the flux linkage. of change electromotive force is induced in the conductor. is induced force electromotive as to oppose the change producing it. producing as to oppose the change

Other experiments Michael the American scientist independently, Working phenomenon. Joseph the In recognition, the same time as Faraday. field then the greater the emf produced. field then the greater force The important is that the electromotive remember thing to as the magnetic as long will in the conductor only be produced flow! no current no change, field is changing – therefore, • it In simple terms, laws. Faraday’s one of relates to The above within a magnetic field then is moved means that if a conductor it experiences the force causes through to flow an electric current the faster the change in the magnetic Likewise, that conductor. out a number of experiments to determine exactly what was that: He noticed happening. • electromagnetic induction go back in time. it helps to it better, To understand field. was first observedphenomenon This by he carried that this was an important realizing discovery, and, Electromagnetic Induction electrical devicesMany a principle rely on or electronic called Apart from the production of electricity in a conductor, he also Apart from of electricity the production in a conductor, As noted the existence of a mechanical opposing the motion. force use in a generator to put to good these laws are will learn later, you movement.motor to produce and a electricity, produce Many others quickly followed with further work in this field. In others quicklyMany with further this field. in followed work the German scientist Emil 1834, as known • now the SI unit of inductance. now electricity a in produced being