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Lecture: 29 (iq27) Motional EMF and Chapter 22

1. The motional emf.

o Dissipation power vs Mechanical power. Conservation of energy

o The transient region.

o Unipolar generator

2. Chapter 22: Gauss law

o Symmetry of charge distribution => pattern of E field (3 cases)

o Other applications

o How does screening of a metal box work?

3. Gauss law in magnetism.

4. Ampere’s law: long wire, solenoid

5. Maxwell equation for t-independent E and B fields.

Announcement:

The syllabus has been updated.

HW due dates:

o Ch21-h2 (typo Ch23-h2)

o Ch21-h3 3/29

o Ch22-h1 4/1

o Ch23-h1 4/3

o Ch23-h2 4/5 (updated before class today)

o Ch23-h3 4/9 (postponed 24 hours)

Extra review session for unit 3: 4/11 5-6 (location TBA)

Extra office hour: 4/12 Th 2:30-4

Change of TA session room for Wed 6-7 session

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TA: Chinmoy Bhattacharjee
LA: Brandon Crosbie & Daniel Joh.

Present Location : JES A307A

From next Wednesday (28th March), we will meet at BEN 1.122 for the rest of the semester.

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