Electric fields, magnetic forces, DC and AC circuits, electromagnetic induction, and wave propagation. Real-time field visualization with adjustable charge and current parameters.
Place positive and negative charges on a canvas and watch electric field lines and equipotential curves form in real-time. Adjust charge magnitude to see field strength change, drag charges to observe force vectors, and read potential at any point.
Drag-and-drop circuit construction with batteries, resistors, bulbs, and switches. Apply Ohm's law V = IR in real-time, verify Kirchhoff's voltage and current laws, and watch electron flow animation with adjustable voltage and resistance values.
Visualize magnetic fields around straight wires, loops, and solenoids. Adjust current to change field strength, apply right-hand rule for direction, and calculate flux density B = μ₀nI. Watch iron filings alignment pattern in real-time.
Build RC circuits and observe exponential charge and discharge curves. Adjust capacitance C and resistance R to change time constant τ = RC. Track voltage across capacitor and resistor in real-time, and verify Q = CV at every instant.
Move magnets through coils to generate EMF via Faraday's law. Verify Lenz's law direction with induced current visualization, adjust coil turns and magnet speed, and model transformer primary-to-secondary voltage ratios in real-time.
Model sinusoidal voltage sources with resistors, capacitors, and inductors. Watch phasor diagrams rotate in real-time, calculate impedance Z = √(R² + X²), and find resonance frequency f₀ = 1/(2π√(LC)) with peak current visualization.
Fire electrons and protons into uniform magnetic fields and observe Lorentz force trajectories. Adjust charge, mass, velocity, and field strength to create circular, helical, or cycloid paths. Model mass spectrometer and cyclotron principles.
Map electric potential surfaces around charge distributions. Calculate work done moving test charges between points, visualize potential gradients as field line density, and verify that E = −∇V at every location in the field map.
Balance a four-resistor bridge network to measure unknown resistances with high precision. Adjust ratio arms and standard resistor until galvanometer reads zero. Calculate Rx = R3 × R2/R1 and verify with error propagation analysis.
Build passive filter circuits and observe frequency response in real-time. Adjust R, L, and C values to shift cutoff frequency and bandwidth. Visualize Bode magnitude and phase plots, and design low-pass, high-pass, and band-pass configurations.