Electricity & Magnetism

Calculate voltage, current, and resistance in electrical circuits.

Analyze charge storage and electric fields in capacitors.

Calculate charging and discharging of capacitors in circuits.

Calculate electrical power, energy consumption, and efficiency.

Analyze series circuits with total resistance, current, and voltage drops.

Analyze parallel circuits with current division and total resistance.

Calculate electric field strength, potential, and force on charges.

Analyze complex circuits using Kirchhoff's voltage and current laws.

Calculate magnetic field strength, magnetic force, and magnetic flux using Ampere's Law.

Calculate inductive reactance, voltage across inductor, and stored energy in AC circuits.

Calculate impedance magnitude, phase angle, and power factor in AC circuits.

Calculate resonant frequency, bandwidth, and quality factor in RLC circuits.

Calculate transformer voltage ratios, current ratios, and efficiency.

Analyze alternating current circuits with impedance, phase angles, and power calculations.

Analyze resistor-inductor circuits with time constants and transient responses.

Calculate electrostatic force between point charges with animated field visualization.

Find output voltage and current in resistive potential divider circuits.

Check bridge balance and calculate unknown resistance from ratio arms.

Calculate wire resistance from resistivity, length, and cross-sectional area.

Find stored charge and energy U = ½CV² with charging animation.

Calculate induced EMF from changing magnetic flux in a coil.

Analyze dipole moment, field, and potential energy in electrostatics.

Calculate terminal voltage and current for real batteries with internal r.

Convert peak AC voltage and current to RMS and average power.

Calculate power dissipation and heat energy using P = I²R.