summary13 - Faradays Law of Induction Induction Magnetic...

Info icon This preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Faraday’s Law of Induction Magnetic flux = A B cos B A A changing magnetic flux generates an induced voltage (emf = electromotive force)  (AB ) (AB ) V = [emf] = N  / t = (ABcos final – (ABcos initial V = [emf] = - N /
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Motional EMF Voltage induced in a moving Voltage induced in a moving conductor Velocity V max = [emf] =-Blv L th Length Induced emf depends on angle between the Magnetic field and the velocity direction.
Image of page 2
Lenz’s Law An induced emf gives rise to a current whose magnetic field opposes the original change in flux new, larger B Induced current Induced B
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 4
Lenz’s Law Exercises
Image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon