electromagnetism
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Examples forElectricity & Magnetism

Electrostatics »

Do a Coulomb's law computation:

Coulomb's law 2.0mC, 5.0mC, 250cm

Compute electric potential and field strength:

charged sphere radius=12cm, charge=5.5mC

Find equations associated with a charge distribution:

charged disk
electric charge density of a charged ellipsoid
Magnetostatics »

Compute magnetic flux density for an object:

1m 1A Helmholtz coil

Compute force on a pair of wires:

force on two long current-carrying wires

Find equations associated with a magnetized object:

magnetized ball

Find the axial field strength of an ideal solenoid:

axial field of an ideal solenoid with 2 amps of current
Electromagnetism »

Find information on a moving charge:

Lienard-Wiechert potential

Compute time-dependent electrical potential:

time-dependent charge distribution: electric potential
Electric Circuits »

Use input fields to specify data for an Ohm's law computation:

Ohm's law calculator

Analyze an RLC circuit:

RLC circuit 10ohm, 12H, 400uF

Calculate the power used across an electrical component:

electric power 1.5V, 3A
Electric Machines & Power Systems »

Compute characteristics of a motor:

synchronous motor 6 poles

Compute characteristics of a transformer:

transformer 110V, 60Hz
Electromagnetic Radiation »

Compute Larmor frequency:

Larmor frequency electron

Compute a gyromagnetic ratio:

gyromagnetic ratio formula proton

Compute the visible light color corresponding to a frequency:

700 THz light

Compute the attenuation coefficient for radio waves in air:

absorption of em waves at 30 C and 20% humidity
Waveguides »

Explore properties of ideal waveguides:

circular waveguide

Examine properties of specific modes:

transverse electrical waves in a circular wave guide for m=1, n=1

Investigate attenuated waveguides:

attenuated rectangular waveguide at 600 GHz

Rutherford Scattering

Determine the cross section for Rutherford scattering:

Rutherford scattering at 30 degrees and 20 eV
Coulomb scattering of a 6 MeV proton
Rutherford scattering with gold
Electromagnetic Measurements »

Discover how to measure different physical properties:

what instruments measure current?

Compute a dimensionless electrodynamic quantity:

magnetic Reynolds number speed = 10 m/s, length = 1 m

Compute dimensionless combinations:

charge, capacitance, voltage, current

Get information about a physical quantity:

magnetic memristance
Electromagnetic Physical Constants »

Get the value of a physical constant:

eps_0
permeability of vacuum
magnetic flux quantum
Schwinger electric field strength

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