AP Physics C : Study Guide Ch. 27-28

INSTRUCTIONAL OBJECTIVES: Upon completion of this unit, you should be able to:

• Define capacitance as stored charge per volt of potential

• Evaluate the capacitance from the geometry of the capacitor.

• Find the capacitance of parallel plate, cylindrical, and spherical capacitors.

• Find the equivalent capacitance of several capacitors in parallel or in series.

• Find the electric potential energy of a charged capacitor.

• Describe how capacitance, electric field , and potential are affected by a dielectric.

• Define current as the amount of charge passing through an area in a unit time.

• Describe conventional and electron current.

• Find current density from the current

• Describe the drift speed of charge carriers in an electric field

• Find the resistance, resistivity, and conductance of a conductor.

• Calculate how resistivity changes with temperature.

• Use Ohm's law to solve problems.

• Calculate the power in an electric device as a fnction of voltage or resistance

• Describe some characteristics of semiconductors and superconductors.

  TIMETABLE

  F 1/28 Capacitance

  M 1/31 Dielectrics

  T 2/1 Independent practice

  W 2/2 Current density, resistance

  Th 2/3 Ohm's Law, power

  F 2/4 Lab

  M 2/7 Independent Practice

  T 2/8 Recitation Problems

  W 2/9 Test Ch 27-28

  ASSIGNMENTS: Completion Date

  Ch. 27 problems #2, 8, 19, 20, 36, 46, 55, 57, 66.....................................................W 2/2

  Ch. 28 problems # 2, 6, 9, 28, 48, 52, 57 .................... ...........................................W 2/9

  Circuit board lab ....................................................................................................... M2/7

  Test Ch. 27-28... ........................................................................................................W 2/9

Back to Menu