# faraday and lenz - Faradays Law & Lenz Law Return of the...

This preview shows pages 1–20. Sign up to view the full content.

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

View Full Document
Return of the Jumping Wire
I N S B F

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

View Full Document
N S wire v Remove the battery B I

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

View Full Document
Induced current N S v I
Induced current N S I v v B B I I

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

View Full Document
Does there have to be motion? AC Delco - + 1 volt I I (induced)
Does there have to be motion? AC Delco - + 1 volt I

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

View Full Document
Does there have to be motion? AC Delco - + 1 volt I (induced)
Does there have to be motion? AC Delco - + 1 volt NO!!

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

View Full Document
Maybe the B-field needs to change…. . B v
Maybe the B-field needs to change…. . B v I

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

View Full Document
Maybe the B-field needs to change…. . B v I I I
Magnetic Flux Φ B Induced EMF is caused by a change in the  number of field lines through a loop. Number of field lines is called  magnetic flux. Φ = B A

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

View Full Document
Flashbulb N S B
Faraday’s Law: emf induced = ∆Φ B t Lenz’ Law “battery” that drives the induced current

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

View Full Document
The number of loops matters Φ B = N B A
Size: number of B-field lines that pass through the loop. Direction: same as B-field

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This document was uploaded on 10/28/2011 for the course PHSX 500 at MSU Bozeman.

### Page1 / 44

faraday and lenz - Faradays Law & Lenz Law Return of the...

This preview shows document pages 1 - 20. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online