Demo: Series and Parallel bulbs
Review
Series and Parallel Circuits
Find:
(1) The total current supplied by the battery
(2) The voltage between A and B.
Equations
Equations
Equations
Equations
Equations
(so you need two equations for two variables)
Kirchh
TODAY:
Chapter 19
Physics: Principles with
Applications, 6th edition
Giancoli
TODAY
Monday March 21st is the last
day to drop a class!
Also last day to sign up with a
university tutor. The department
tutoring is still free and open.
Homework:
Set up the e
Chapter 19
DC Circuits
V=IR
P=I2R
Review: Series and Parallel math
If R1 is 100 k, and R2 is only 1 , then the total would still be
higher. Adding resistors in series will give you a higher
resistance. (The equivalent resistance of series resistors is alw
Chapter 19
Physics: Principles with
Applications,
Giancoli
Wed: Sections 4,5,6.
If you had the version of quiz 7 with #3 graded
incorrectly, turn it back in.
If you had the version of quiz 7 with #3 graded
incorrectly, turn it back in.
The grader made a m
Chapter 18
Quiz
Chapter 18
Electric Currents
Units of Chapter 18
The Electric Battery
Electric Current
Ohms Law: Resistance and Resistors
Resistivity
Electric Power
Power in Household Circuits
Alternating Current
Microscopic View of Electric Curre
Chapter 20
Physics: Principles with
Applications, 6th edition
Giancoli
So how does a stationary charge act in these
fields?
20.3 Force on an Electric Current in a
Magnetic Field; Definition of B
Unit of B: the tesla, T.
1 T = 1 N/(Am).
Another unit someti
Finish Chapter 19
Start Chapter 20
QUIZ
How does the current direction (that we get to pick) affect the polarity of
the resistor? Battery?
Capacitors in parallel add together the same
way as resistors in series!
Capacitors in series add together the same
TODAY:
Chapter 18
Physics: Principles with
Applications, 7th edition
Giancoli
Chapter 18
Electric Currents
Capacitors:
Discharged (empty)
Charged(full)
Note: This is my
notation! We dont
normally show
charges to
indicate a full or
empty capacitor.
We have
Chapter 17
Physics
Giancoli
Review
Review: Capacitance TEST 3 starts with Capacitance
.
Parallel-plate capacitor connected to battery.
circuit diagram.
Capacitance
Capacitors hold charge
Failing capacitors:
Happened last year in another classroom
as we we