o Course homepage, Ongoing Lectures, TT-system 

• Instructor’s weekly informal sessions:

Tu 3:30-4:20, RAS 213 ; Fri 4-5, RLM 5.104

Lec. 24 Electromagnetic induction - I.

EM induction phenomena:

· Push/pull a magnet through a coil

· Cutting the B-lines by a wire loop

· Moving a metal bar across B-lines

Faraday’s law:

· Magnitude of the induced emf.

· Direction of the induced emf.

· Lenz’s law:

a. Current loop has a magnetic inertia.

b. The direction of B_ind always opposes the change.

Two more applications:

· EM Generator

· A rotating bar

Reminders:

• There is an instructor’s informal session tomorrow at regular time and place. See above.
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