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Lectures
Lecture: 19 (iq17)
Biot-Savart’s law (con’d)
and Ampere’s law
1. Cross product (revisit)
2. Circular
Arc and Line Segment (revisit)
3. Ring (R, z, q)
o
Dipole
moment of a loop
4. Solenoid field (Fig18.53, p736)
5. Solenoid Ampere’s
law
o
Example:
The long wire case
o
General
form of the Ampere’s law
6. More
applications:
o
Thickwire (with radius R): r>R
o
Thickwire (with radius R): r<R
o
Solenoid
o
Toroid
Announcement:
o
Summary of unit 2
(draft version) has been posted. Let me know if you have found errors. Your
comments are welcome.
o
Due dates of h2,
h3 and h4 have now been postponed by 24 hours.
o
h2: 2/29, 11:30pm
o
h3: 3/2, 11:30pm
o
h4: 3/5, 11:30pm
o
Extra review
session: Tue 5-6, TBA