The purpose of this blog is to help grade 12 physics students with problems and concerns in their course. Students should also reflect on the day's lesson - question, think, get curious!

Tuesday, May 29, 2007

Physics Class on May 28, 2007

New Topic: Electric Current

Today's class started off with a video on "Electric Current."

KEY CONCEPTS IN THE VIDEO:

- VOLTAGE = ENERGY (JOULES) / CHARGE (COULOMBS)

- CURRENT proportional to VOLTAGE DIFFERENCE

- CURRENT (AMPHERES) = VOLTAGE DIFFERENCE / RESISTANCE

- I = V / R

- DIRECT CURRENT: A current travelling in ONE direction.

- ALTERNATING CURRENT: A current alternating back and forth.

** Basically the video was an overview on series and parallel circuits.

For the rest of class we were assigned the following:

Read PGS. 469 - 475
Do Practice Problems:
PG. 471 - 472
#1 - #4
PG. 474 - 475
#5 - #8

The next scribe is: GEAR321 (AKA. Eddie)

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