Electrostatic Field
Coulomb’s law, electric field intensity, Gauss’s theorem, electric potential, capacitance, and dielectrics in parallel plate capacitors.
Electrostatic Field — Lessons (6)
Coulomb’s Law and Electric Field Intensity
Quantization and conservation of electric charge, Coulomb’s Law in vacuum and dielectric media, permittivity, electric field strength E = F/q = Q/(4πεr²), electric dipoles, and field line properties.
Electric Potential and Equipotential Surfaces
Definition of electric potential V, potential energy U = qV, potential difference ΔV, work done W = qΔV, relationship E = -dV/dr, equipotential surfaces, action of points, and lightning arresters.
Gauss’s Law and Conductor Electrostatics
Electric flux Φ = ∮ E · dA, statement of Gauss’s Law, fields of spherical conductors, infinite sheets, and parallel plates, behavior of conductors in equilibrium, and electrostatic shielding (Faraday cage).
Capacitors, Dielectrics and Electrostatic Energy
Capacitance C = Q/V, parallel-plate capacitor formula C = ε₀εᵣA/d, series and parallel combinations, stored energy U = 1/2 CV² = Q²/2C = 1/2 QV, energy density u = 1/2 εE², and dielectric polarization.
Electrostatics & Capacitor Simulation Lab
Interactive 60fps dual-mode simulation: Parallel-plate capacitor lab with dielectric insertion, connected vs disconnected battery states, live energy density telemetry, and 2D electric field line & equipotential probe mapping.
Unit 6 Summative Assessment: Electrostatic Field
Comprehensive 16-question exam covering all competencies (6.1–6.4): Coulomb’s law, field intensity, potential, Gauss’s theorem, conductors, and capacitance with automated scoring and competency breakdown.