LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 2

The learner will build an understanding of electrostatics.

Objective 2.01
Analyze and evaluate electric field.
  • Calculate force, net force and torque on a charge or collection of charges in a specific field.
  • Calculate and sketch equipotentials for a configuration.
  • Use integration to determine electric potential.
  • Utilize the conservation of electric field to solve problems.
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Objective 2.02
Calculate and analyze Coulomb's law, field, and potential of point charges.
  • Define magnitude and direction of a force and electric field on a charge.
  • Calculate electric potential near one or more charges.
  • Compute the force and electric field between charges.
  • Determine the work necessary to move charges and potential energy of the system.
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Objective 2.03
Evaluate and analyze fields and potentials of other charge distributions.
  • Using the principle of superposition and integration, calculate:
    • -Electric field for a wire and ring.
    • -Electric potential for a disk.
  • Determine the electric potential of
    • -Charged plates.
    • -Uniformly charged wire.
    • -Thin cylindrical shell.
  • Determine the mathematical expression for various situations of electrical potential.
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Objective 2.04
State and apply Gauss's Law.
  • Determine the flux of electric field through an arbitrary surface.
  • Use the integral form of Gauss's Law to determine electric flux and charge.
  • Use Gauss's Law to find charge density on a surface.
  • Graph electric charge to find maxima and minima.
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