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 that was assigned on eGrade.
E. Be able to state basic principles in words and mathematically.
F. Make sure you have a clear understanding of basic concepts. Do not waste your time memorizing stuff you do not understand.
. Key Terms and concepts: + and - charges, quarks, charging by contact, charging by induction, electric force, electric field, conservation of charge, lightening, dipole, conductors, insulators, coulomb, electronic charge, electric flux, conventional direction of electric current. |
Be able to explain when an object is said to a +charge and - charge using a model of the atom. |
Be able to calculate the net force and electric field due to a variety of charge configurations such as point charges (Examples 21-1, 21-2, 22-3), ring of charge (Example 23-3), line charge ( Section 23-5.23-9and sample problem 23-5). Most of these involve using Coulomb's law and integral calculus |
Be able to calculate the electric field due to a dipole (see the advice at the bottom of page 557. And master the examples done on the book as well as in class. ) |
Be able to calculate the speed of an electron in a hydrogen atom. | |
Accomplishments or major contributions related to electrostatics by:Charles DuFay, Benjamin Franklin, Coulomb, J. J. Thompson, Robert Millikan, Frederick Gauss.You may look up theses names in the Internet. |
Be able to understand what an electric flux is and
how it is calculated |
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Look up Gauss' in the Internet and list some of his
accomplishments from early childhood |
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Be able to calculate electric fields due to charged lines, plains, spheres, cylinders, etc. using Gauss' and also by direct integration using Coulomb's law..( See sample problems 241-1, 24-1 to 24-6) |
Ch. 25: Electric Potential
Be able to define electric potential (V) in term of E, Electric potential energy (U), Voltage or electric potential (V), potential difference (V) |
Be able to calculate the electric potential [V(r)] due to :a point charge, a long uniformly charge wire, a charged hollow sphere (inside and outside), a uniformly charged sphere (inside and outside), a uniformly charge ring , a uniformly charged disk , electric dipole etc. See all the problem samples in this chapter. |
Be able to calculate the electric field and the
voltage across two oppositely charge large plates. |
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Be able to calculate the speed of a charged particle accelerated by a voltage using the conservation of energy. Using eV and /or Joules as unit s of energy. |
Be able to describe the purposes of the J. J.
Thompson (1889) and Robert Millikan (1913) experiments. Search the Internet if necessary. |
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Be able to obtain expressions for E by differentiating V . |
Be able to define capacitance |
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Be able to calculate the capacitance of: a parallel-
plate capacitor , a cylindrical capacitor, a spherical
capacitor etc. |
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Be able to calculate the effective or equivalent capacitance of capacitors in : series, parallel, and combination of series and parallel. |