Please tell me about the theory of elemagnetic induction and also name the person who had a great contribution to it? Also name the scientist who firstly told/discovered this. It is to be included in my science project.
2006-12-31 03:20:32 · 6 answers · asked by Champ 1 in Science & Mathematics ➔ Chemistry
electromagnetci induction.. faradays laws....
he said that a time varying electrical field induces a magnetic field.
lenz proved that emf induced was in opposite direction..
chek up wikipedia for more info..
if its a project i am afraid u have to work on it buddy..!! we are here to give ya suggestions!!
2006-12-31 04:14:28 · answer #1 · answered by Hawk 2 · 0⤊ 0⤋
electromagnetic induction.. it is Faraday's laws..
he said that a time varying electrical field induces a magnetic field.lens proved that emf induced was in opposite direction.
when magnetic flux is changed near an electrical conductor .electromotive force is induced in the wire
is directly proportional to the rate of change of magnetic flux
the direction of induced emf is given by Len's law
Faraday was the first one to tell us about electromagnetic induction Nikolas Tesla has contributed a lot in this field
2006-12-31 18:44:48 · answer #2 · answered by Kevin 5 · 0⤊ 0⤋
The person who discovered electromagnetic induction was Michael Farady. According to this theory, if a coil having many turns of wire on it is rotated in the magnetic field, it produces electricity. Similarly, if electricity is passed through the coil in the magnetic field, the coil starts rotating.
2007-01-01 01:45:48 · answer #3 · answered by shailendra s 3 · 0⤊ 0⤋
the experiments of MICHAEL FARADAY in U.K. and JOSEPH HENRY in U.S.A. established around the year 1830, that the changing magnetic fields produced electric ields and electric currents.
this phenomenon of generating current/e.m.f. by changing magnetic lines of force associated with a conductor is called ELECTROMAGNETIC INDUCTION(EMI). the e.m.f. so developed is called INDUCED E.M.F. if the conductor is in form of a closed circuit, a current flows in the circuit. this is called INDUCED CURRENT. This phenomenon of E.M.I. is the basis of working of power generators, dynamos, transformers etc.
Following are the two laws of electromagnetic induction as given by FARADAY. both the LAWS Faraday'S EXPERIMENTS.......
FIRST LAW-------
whenever the amount of magnetic flux linked with a circuit changes, an emf is induced in the circuit. the induced bemf lasts so long as the change in magnetic flux continues.
SECOND LAW---------
the magnitude of emf induced in a cicuit is directly proportional to the rate of change of magnetic flux linked with the coil.
2007-01-01 11:18:20 · answer #4 · answered by Anonymous · 0⤊ 0⤋
when magnetic flux is changed near an electrical conducter e.m.f.(electromotive force) is induced in the wire
e(emf) is directly proportional to the rate of change of magnetic flux
the direction of induced emf is given by lenz's law
faraday was the first one to tell us abt electromagnetic induction
nikolas tesla has contributed a lot in this field
visit-- www.wikipedia.com
2006-12-31 14:27:54 · answer #5 · answered by hellraiser 2 · 0⤊ 0⤋
The scientist you want is Faraday. Here's a bunch of useful information for your project. Good luck.
http://en.wikipedia.org/wiki/Electromagnetic_induction
2006-12-31 12:12:40 · answer #6 · answered by Anonymous · 0⤊ 0⤋