A. Review the key terms, principles, and concepts in your notes..
B. Review the summary of equations at the end of each chapter.
C. Review sample problems done in the book and you notes
D. Review homework and recommended end of chapter problems and exercises
E. Be able to state basic principles in words and mathematically.
Ch. 21: Magnetic Forces (F) and Magnetic Fields (B) due to electric currents ( I)
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Be able to calculate the magnitude of a force on a moving charge (F= qvxB) and get it direction using the right hand rule. |
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Understand how a mass spectrometer works (see section 21.4. |
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Be able to calculate the force on a current carrying wire in magnetic field |
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Using Amper's Law be able to derive the magnetic field around a straight, very long , current carrying wire . |
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Using Amper's Law be able to derive the magnetic field inside a very long solenoid and a toroid . |
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Be able to calculate the force between two parallel and long current carrying wires |
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When do two current carrying wires attract each other? When do they repel each other? |
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Be able to calculate the torque on a current carrying loop of wires in a magnetic field |
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Rework all the sample problems in the chapter |
Ch. 22: Electromagnetic Induction: Faraday's and Lenz's Law of Induction
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Be able to state mathematically and in word's Faraday's Law and Lenz's Law. |
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In the class demonstration, two identical looking blue rods were drooped into an aluminum tube. One of them fell freely while the other one took a very long time to fell through. How is this explained. |
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Be able to calculate the EMF induced in a conductor moving across a magnetic field.( see sample problems) |
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Be able to derive the EMF due to a generator -- a coil that rotates inside a magnetic field- using Faraday's Law. Why is the EMF not a constant .(work out probelms .At least the sample problems) |
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Be able to explain the purpose of the alternator(generat0r ) in your car. |
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Be able to explain how a step-up and step-down trnasformers work (Section22.9) |
Odds and ends
Test #4 will include one question's) form the last thee experiments such as Image formation by lenses and mirrors ,Optical Instruments, Hydrogen Spectra etc. Test #4 is on Wiley Plus.
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Below is the link for physics songs. The songs on Maxwell's equations require knowledge of vector calculus. This is included for your enjoymnet.