slides11all

# slides11all - C 2 V Q 1 Q 2-Q 1-Q 2 KC 2 C 1(a(b Almost...

This preview shows pages 1–17. Sign up to view the full content.

Previous Lecture B exerts force on moving charges: F = I l × B d F = Id l × B F = q v × B Moving charges ( i.e, I ) create B –p

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

View Full Document
Today Hour Test 1 Spiral motion along B Torque on current loop Biot Savart Law –p
Comments on HT-1 Very similar to Practice Exam Scores were low –p

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

View Full Document
Results of HT-1 mean 66 range 31 - 96 Score Number of Students –p
Results of HT-1 mean 66 range 31 - 96 Score Number of Students A B C –p

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

View Full Document
Problem 1, HT-1 1 4 2 2 I 1 I 3 I 2 1V 8V 9V Nearly all did well (18 or 20 points). –p
Problem 2, HT-1 R P (x=0,y=0,z) y z x Q θ θ P dQ x y z a r This question was a lot like one of the homework questions. Many did poorly (mean 10). –p

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

View Full Document
Problem 3, HT-1 R 0 r Very long distance L Very broad distribution (mean 11). –p
Problem 4, HT-1 KC 1

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

View Full Document

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

View Full Document

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

View Full Document

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.

Unformatted text preview: C 2 V +Q 1 +Q 2-Q 1-Q 2 KC 2 C 1 (a) (b) Almost identical to the Practice Exam. – p. Problem 5, HT-1 R C S V I Q Some confusion on part (c), showing that the expressions given for Q ( t ) and I ( t ) satisy the loop equations. Just plug in! – p. 1 Circular Motion of e − in B Fig. 27-17 – p. 1 Some Astrophysics (1) Solar wind (protons) and earth’s magnetic feld: Fig. 27-19a – p. 1 Some Astrophysics (2) The solar wind changes the earth’s magnetic feld. – p. 1 Aurora Borealis – p. 1 Torque on Current Loop Fig. 27-21a – p. 1 Simple dc motor Figs. 27-24 & 27-25 – p. 1...
View Full Document

## This note was uploaded on 08/06/2008 for the course PHYS 21 taught by Professor Hickman during the Fall '07 term at Lehigh University .

### Page1 / 17

slides11all - C 2 V Q 1 Q 2-Q 1-Q 2 KC 2 C 1(a(b Almost...

This preview shows document pages 1 - 17. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online