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Lecture: 2

Welcome: Firstday-handout package:

· Firstdayhandout: Overview of the setup of this course (Reading assignment: read up to the section # indicated)

Chapter 22-23

o Counting # of electrons

o Coulomb’s law

o Superposition of electric forces

o Electric Field

o Electric field of a point charge

Announcements:

• Instructor's informal session: Tu 3:30-4:20, RAS 213
• 103N lab. Begins on 1/28. Contact lab supply room RLM8.316 (471-5352) for the lab schedule.

Help outside of lectures:

§ Instructor:

o 2 weekly informal sessions.

o After class office hours on MW, other time by appointment

o Email contact: include 303L on the subject line.

§ TA session, and TA office hours.

§ Physics coaching services on the 5^th level of RLM, near the escalator.

To-do-list:

• TT-system registration($10 fee). From beginning of the class, there are 12 free-days to use the TT-system.

§ Go to https:/ttt.ph.utexas.edu/.

§ Click on the link: Instructions. Follow the instruction.

§ Download HW1. Notice the 4am due time: (Example: If a homework is due 4am on Sunday, think of it is due late in the evening of the Saturday before.)

• I-clickers: Available at UT Coop.

§ The Clicker Instruction is within the Student Instructions.

§ You need to register your Iclicker serial number (use button A.4 – manage account info)in the TT-system and record your “box number.”

§ Read the instruction to see how to manipulate your clicker

1. in the “class test mode”(for it-session) and

2. in “class quiz mode.” (for iq-session).

§ Bring your clicker to every class.