Physics 2020 Exam 1 Review QuestionsDr. Luttermoser’s Class1. Robert Millikan made a fundamental discovery about electric charges in 1909. Whatwas it?2. What is the difference between conductors, semiconductors, and insulators?3. What is meant by a conductor being grounded ?4. What is Coulomb’s Law? Compare it to Newton’s Law of Gravity. What is theprinciple of superposition?5. Describe the electric field for a proton in isolation, and electron in isolation, an electron-proton pair, and a proton-proton pair. What is the magnitude of the electric field of apoint charge?6. What is meant by electrostatic equilibrium?7. What is the electric flux and what do es it measure? What is Gauss’s law?8. Review the summary of Chapter 15 in the textbook and learn the definition of allboldface terms in this chapter.9. Review Examples I-1 (Coulomb’s force), I-2 (one-dimensional motion for charges), I-3 (superposition principle of E-fields), I-4 (Serway & Vuille Textbook Problem: SV15.30, electric field lines), and I-5 (SV 15.41, electric flux) in the class notes. Makesure you understand CAPA Problems 1.2 (electric force); 1.3 and 1.4 (electric fields).Finally, make sure you understand how to do the Supplemental Homework ProblemSet 1: 1 (SV 15.9, Coulomb’s law), 2 (SV 15.18, superposition principle of E-fields), 3(SV 15.32, E-fields), and 4 (SV 15.45, Gauss’s law).10. What is meant by the phrase the electrostatic force is conservative ? What is the workdone on an electric field?11. Define potential difference. What units is it measured in? What is the electricpotential of a point charge? What is an electron volt?12. Describe the concept of an equipotential surface. How much work is done to move acharge on an equipotential surface?13. Define capacitance. What units is it measured in? What is the capacitance of aparallel-plate capacitor? How is Coulomb’s constant related to the permittivity of freespace?14. One can often reduce a complicated circuit to a simple circuit. How do capacitors addin a parallel circuit? And in a series circuit?15. Describe how the internal energy of a capacitor changes as the voltage changes withinit.16. What is a dielectric? How does it affect the capacitance, charge, potential difference,and internal energy of a capacitor? Why isn’t the air a go od dielectric?17. Review the summary of Chapter 16 in the textbook and learn the definition of allboldface terms in this chapter.18. Review Examples II-2 (superposition principle of potential), II-3 (SV 16.25, geomet-ric prop erties of capacitors), II-4 (SV 16.39, capacitors in circuits), and II-5 (internalenergy of a capacitor) in the class notes. Make sure you understand CAPA Prob-lems 1.5 and 1.6 (potential differences) and 1.7 (capacitance). Finally, make sure youunderstand how to do the Supplemental Homework Problem Set 1: 6 (SV 16.17, su-perposition principle of potential), 7 (SV 16.30, geometric properties of capacitors),and 8 (capacitors in circuits).19. Define electric current. What direction do es current flow? What is the drift speed?20. What is Ohm’s Law? How is resistance different from resistivity? What is meant byResistance is futile ?21. How does resistance and resistivity change with temp erature? What is a thermistor?What is a superconductor? Who is superman?22. Know the various forms of the equation of power in a electric circuit.23. Review the summary of Chapter 17 in the textbook and learn the definition of allboldface terms in this chapter.24. Review Examples III-1 (SV 17.7, drift speed), III-2 (SV 17.17, resistivity), I II-3 (ther-mistors), and III-4 (SV 17.34, power and energy) in the class notes. Make sure you un-derstand CAPA Problems 1.8 (resistivity); 1.9 (Ohm’s law); and 1.10 (electric power).Finally, make sure you understand how to do the Supplemental Homework ProblemSet 1: 9 (current), 10 (resistivity), 11 (SV 17.27, Ohm’s law), and 12 (SV 17.37,