PHYSICS
222 Topic Checklist
UNIT 1
At the end of each chapter, be sure that you are familiar with all the listed topics and can do the homework problems associated with them.
Chapter 16 Electrical Forces and Fields Review basic mechanics from last semester. Cover displacement, velocity, acceleration, force, mass and circular motion. (Chapters 2,3,4,5)
q Fundamental Particles Proton, Neutron, Electron.
q Properties of Fundamental Particles Mass, Electric Charge.
q
Unit of Electric Charge Coulomb
e = 1.60 x 10-19
C
q Fundamental Interactions in Nature Gravitational, Electromagnetic, Strong, Weak.
q Atomic Structure Nucleus, Electron Shells.
q Nuclear Structure Protons, Neutrons.
q Types of Matter Conductors, Insulators, Semiconductors.
q Electric Force Law Like charges repel, unlike charges attract. Inverse square law.
q
Coulomb's Law
q Force Problems Be able to set up and solve force problems involving vectors.
q
Electric Field Produced by “source charges”, exerts force
on “test” charge. Electric field is a vector quantity.
q
Force on a Charge in an Electric Field
q Unit of Electric Field N/C
q
Field of a Point Charge Directed away
from positive charge, toward negative charge.
q Field Problems Be able to calculate the field of a group on charges using vector addition methods:
q General Problem Solving Be able to calculate the electric force on a charge and use this to calculate such properties as acceleration, speed, displacement and time.
Chapter 17 Electrical Energy and Potential Review work and energy from last semester. (Chapter 6)
q Electric Potential Energy
where Wba is the negative of the work done by the electric field when a charge moves from point a to point b.
q Electric Potential Potential energy per unit charge. Potential is a scalar quantity.
q Units Energy = joule, Potential = joule/coulomb = volt
q
Potential Difference
q
Relation between Potential Difference and
Potential Energy
q Problem Solving Apply law of conservation of energy to calculate the velocity of charged particles accelerated through a potential difference.
q
Relation of Potential Difference to Electric
Field
q Field Lines and Equipotential Surfaces Be able to draw them for simple sources.
q Electron Volt A unit of energy. 1ev = 1.60 x 10-19 J
q
Potential of a Point Charge
q
Potential of a Charge Distribution Scalar sum of individual potentials.
q Capacitors Circuit elements used to store charge.
q Units Farad: F = C/v = C2/J , mF, pF
q Dielectrics Know the effects of dielectric materials on capacitors.
q
Energy Stored in a Capacitor
Chapter 18 Electric Current Flow of charge.
q Sources of Potential Difference Batteries, EMF.
q Electric Circuit Complete conducting path containing a source, load and connecting wires.
q
Current
Charge flow per second. I = Q/t
Unit is ampere A = C/s.
q Resistance Opposition to current. Unit is ohm.
q Ohm's Law Relation between voltage, resistance and current in a circuit or a circuit element.
Thus an ohm is a volt per amp.
q
Resistivity
q
Temperature Dependence
q Power
q AC and DC Sinusoidal waveforms. Frequency, Peak and RMS values.
Chapter 19 DC Circuits
q
Series Circuits Current is the same in each element. 
q
Parallel Circuits Voltage is the same in each element.
q Series - Parallel Circuits Loop rule for voltage, node rule for current.
q Sources of EMF EMF, Internal Resistance, and Terminal Voltage.
q
Series and Parallel Capacitors Charge is the same on series capacitors,
voltage is the same on parallel capacitors.
q RC Circuits Time constant for charge and decay.
q Meters Connect ammeters in series and voltmeters in parallel.
Chapter 20 Magnetism
q Sources of Magnetic Fields Moving charges, Current, Ferromagnetic Materials.
q Magnetic Field Lines Be able to draw them for simple sources.
q Permanent Magnets and Electromagnets Know how each are made and used.
q
Force Laws
q Unit of Magnetic Field Tesla T = N/Am
q Right Hand Rule #1 Determine the direction of the magnetic force on moving charges and current elements.
q Motion Problems Be able to solve problems involving the motion of charged particles in a magnetic field. Pay particular attention to circular orbits.
q Electromagnetic Devices Know the basic principles of operation of electric motors, meters and cathode ray tubes.
q
Magnetic Field of a Long Wire
q
Magnetic Field of a Solenoid
q Right Hand Rules #2 & #3 Determine the direction of the magnetic field near a long wire or a solenoid.
q
Ferromagnetism, Hysteresis 