Lect14 - Physics 212 Lecture 14 Slide Physics 212 Lecture...

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

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Physics 212 Lecture 14, Slide Physics 212 Lecture 14, Slide 1 Physics 212 Physics 212 Lecture 14 Lecture 14 Biot-Savart Law Biot-Savart Law 2 ˆ 4 I ds r dB r μ π × = r r :05 10 20 30 40 50 Avg = 3.0 Avg = 3.0 Confused Confused Confident Confident Physics 212 Lecture 14, Slide Physics 212 Lecture 14, Slide 2 Music Who is the Artist? Who is the Artist? A) A) Bireli Lagrene Bireli Lagrene B) B) Sonny Landreth Sonny Landreth C) C) Mark O’Connor’s Hot Swing Trio Mark O’Connor’s Hot Swing Trio D) D) Django Reinhardt Django Reinhardt E) E) Wes Montgomery Wes Montgomery The King of Gypsy Guitar The King of Gypsy Guitar Quintette du Hot Club de France with Stephane Grappelli Quintette du Hot Club de France with Stephane Grappelli Also check out Bireli Lagrene…. Also check out Bireli Lagrene…. Physics 212 Lecture 14, Slide Physics 212 Lecture 14, Slide 3 Physics 212 Physics 212 Lecture 14 Lecture 14 Biot-Savart Law Biot-Savart Law 2 ˆ 4 I ds r dB r μ π × = r r :05 10 20 30 40 50 Avg = 3.0 Avg = 3.0 Confused Confused Confident Confident Physics 212 Lecture 14, Slide Physics 212 Lecture 14, Slide 4 Today’s Plan: Today’s Plan: • Review right hand rule for currents Review right hand rule for currents • Forces & Torques between wires Forces & Torques between wires • Example problem Example problem Key Concepts: Key Concepts: • Biot-Savart Law: Gives direction and magnitude of Biot-Savart Law: Gives direction and magnitude of the magnetic field due to an element of current the magnetic field due to an element of current :05 Physics 212 Lecture 14, Slide Physics 212 Lecture 14, Slide 5 B from infinite line of current Current I OUT • Direction: Thumb: on I Fingers: curl in direction of B r = distance from wire 7 4 10 / Tm A μ π- = × 2 I B r μ π = r Magnitude: B :07 Integrating gives result Integrating gives result 2 ˆ 4 I ds r dB r μ π × = r r Physics 212 Lecture 14, Slide Physics 212 Lecture 14, Slide 6 More Handy Dandy Right Hand Rules More Handy Dandy Right Hand Rules Current in Wire Current in Wire Resulting B field Resulting B field I I :08 Physics 212...
View Full Document

This note was uploaded on 03/05/2011 for the course PHYS 212 taught by Professor Kim during the Spring '08 term at University of Illinois, Urbana Champaign.

Page1 / 23

Lect14 - Physics 212 Lecture 14 Slide Physics 212 Lecture...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online