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Lecture: 17 (iq15)

Lecture Demo:

· Assorted capacitors, discharging a capacitor

· Magnetic field around a long wire

1. Capacitance: Computer keyboard button

2. Energy stored in a capacitor. Clicker 16-2

3. Capacitor: E, V and C, and U

4. Capacitor filled with dielectric medium: K: E’, V’, C’ and U’. Clicker16-5, 16-6

5. Two problems in h3.

a. Comment on Ch17-h3, 005

b. A modified problem based on Ch17, h3, 010-011.

6. Biot Savart law, RHR1 and RHR2.

Announcement:

o My office hour: 9:15 to 10:15.

o You may setup may set up an appointment including other hours to meet with me to discuss your midterm1 performance. (Bring your redo midterm1 work when you come.)