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UNIT 9 |
Magnetic & Electric Fields |
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Mar. 26th |
Electric & Magnetic Fields ·
Electric
fields o
Exert
force on stationary and moving charges o
Always
cause an increase or decrease in speed ·
Magnetic
fields o
May
exert force on moving charges; never exert force on stationary charges o
Never
cause a change in speed ·
Force
on a moving charge: F = qv x B o
Units o
Right-hand
rule ·
Circular
motion due to magnetic fields HW:
Begin Forces on Moving Charges &
Circular Motion assignment. |
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Mar. 27th |
Combined Magnetic & Electric
Fields ·
Helical
motion for a particle in a magnetic field ·
Charged particles moving in combined
magnetic and electric fields ·
Magnetic force on a current-carrying
wire: F = IL x B ·
Torque on a current-carrying loop HW: Finish Forces on Moving Charges &
Circular Motion assignment. |
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Mar. 28th |
Magnetic Force/Torque on
Current-Carrying Wires/Loops ·
CW: Work on Combined Fields and Force/Torque
on Current-Carrying Wires/Loops assignments. HW: Finish
Combined
Fields and Force/Torque on Current-Carrying Wires/Loops assignments. |
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Mar. 29th |
Magnetic Force due to Currents ·
Biot-Savart Law ·
Application of Biot-Savart
to a long, straight wire (calculus review) ·
Application of Biot-Savart
to an arc ·
Conceptual questions #3 & #5 from the
end of Chapter 29 HW:
Begin the Magnetic
Fields due to Current-Carrying Wires assignment. |
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Mar. 30th |
Magnetic Force/Torque on
Current-Carrying Wires/Loops ·
Review HW & concepts HW:
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Apr. 2nd |
Magnetic Force due to Currents ·
Review HW questions ·
CW:
Work on Magnetic Fields due to Current-Carrying Wires assignment HW: Finish
the Magnetic
Fields due to Current-Carrying Wires assignment. |
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Apr. 3rd |
Ampere’s Law ·
Review HW ·
Force on parallel wires ·
Ampere’s Law o
Conceptually o
Sign convention o
General comments on application ·
Applying Ampere’s Law to determine the
field outside of a long, straight wire ·
Applying Ampere’s Law to determine the
field inside a long, straight wire HW: Do
the Ampere’s
Law assignment. |
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Apr. 4th |
Solenoids & Toroids ·
Review HW ·
Magnetic fields inside solenoids and toroids HW: Begin the Solenoids
& Toroids assignment. |
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Apr. 5th |
Solenoids ·
Lab:
Magnetic Field in a Slinky HW: Finish the Solenoids
& Toroids assignment. |
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Apr. 6th |
Solenoids ·
Lab:
Magnetic Field in a Slinky HW: Create graphs and begin to answer
questions for the lab report. |
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Apr. 9th |
Toroids ·
Lab:
Magnetic Field in a Slinky o
Work on data analysis and questions HW: Continue working on the lab report. |
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Apr. 10th |
Magnetism Review ·
Review for Magnetism Test ·
Work on lab anaylsis HW: Finish studying for test. |
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Apr. 11th |
Magnetism Test ·
Test: Magnetism (Chapters 28 & 29) HW: |
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Apr. 12th |
Solenoids Lab ·
Lab:
Magnetic Field in a Slinky o
Work on data analysis and questions HW: Finish lab report! |
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Apr. 13th |
Faraday’s & Lenz’s Law ·
Induction – induced current and emf ·
Faraday’s Law o
Magnetic flux o
Induced emf as a function
of changing magnetic flux o
Induced emf in a
solenoid ·
Lenz’s Law o
Induced current opposed the change in the
magnetic flux ·
Example –
applying Faraday’s and Lenz’s Laws to a rectangular loop being pulled out of
a magnetic field at a constant speed o
Is a force
required to pull the loop out of the field?
Explain. o
Is energy
transferred to the loop? Explain. o
Derive
relationships for the required force and the rate at which energy is
transferred. HW: Do the Faraday’s and Lenz’s Law
assignment. |
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Apr. 16th |
Induced Electric Fields ·
Review HW ·
Induced electric fields ·
Faraday’s Law in terms of induced electric
fields ·
Electric potential for induced electric
fields HW: Do the Induction and Energy Transfer
assignment. |
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Apr. 17th |
Inductors & Inductance ·
Review HW ·
Definition of inductance (and units) ·
Inductance of a solenoid ·
Self-induction (voltage-current
relationship for an inductor) ·
RL circuits – Differential Equation Method o
Writing the differential equation for a
simple RL circuit o
Particular and homogeneous solutions o
General solution o
Time constant HW: Begin the Induced Electric Fields and
Inductance assignment. |
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Apr. 18th |
RL Circuits ·
Review HW ·
RL circuits – Modeling Method o Modeling inductors
in initial and final states o Solving circuits
using the modeling method HW: Begin the RL Circuits assignment. |
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Apr. 19th |
RL Circuits ·
Work on webassign ·
Read Chapter 30 HW: Finish the RL Circuits and Induced
Electric Fields and Inductance assignments. |
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Apr. 20th |
Magnetism Review ·
Review HW HW: Do the Chapter 30 Concept Review assignment. |
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Apr. 23rd |
Magnetism Review ·
Review HW HW: |
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Apr. 24th |
Magnetism Test ·
Test: Magnetism (Chapters 28-30) HW: Work on E&M review packet. |
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Apr. 25th |
Review ·
Review Magnetism Test ·
Review E&M packet HW: Work on E&M review packet. |
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Apr. 26th |
Review ·
Review E&M packet HW: Work on E&M review packet. |
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Apr. 27th |
Review ·
Review E&M packet HW: Work on E&M review packet. |
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E&M Multiple Choice Test ·
Test: AP E&M Multiple Choice HW:
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E&M Free Response Test ·
Test: AP E&M Free Response HW:
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Mechanics Review ·
Review
mechanics packet HW:
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Mechanics Multiple Choice Test ·
Test: AP Mechanics Multiple Choice HW:
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May 8th |
Mechanics Free Response Test ·
Test: AP Mechanics Free Response HW:
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May 9th – |
AP Exam Review ·
Review for
AP Exam HW:
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AP Exam ·
The
REAL AP Exam!!!! HW:
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