Examples for

# Electricity & Magnetism

Electricity and magnetism encompass the phenomena generated by electromagnetism, one of the four fundamental forces of the universe. Use Wolfram|Alpha to explore the rich variety of electromagnetic interactions arising from electric and magnetic fields. Compute the forces involved in static and dynamic fields. Explore how electricity behaves within a circuit. Examine properties of electromagnetic radiation.

Electrostatics

Compute electric field strength and force and examine electric field equations for many different charge distributions.

#### Find equations associated with a charge distribution:

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Electromagnetism

Examine electric fields and electric potentials of different physical systems.

#### Compute time-dependent electrical potential:

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Explore properties of the electromagnetic spectrum and electromagnetic phenomena, such as Larmor radiation and visible colors.

#### Compute the attenuation coefficient for radio waves in air:

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Electromagnetic Measurements

Explore the physical quantities used in the field of electricity and magnetism and how they are measured.

#### Get information about a physical quantity:

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Magnetostatics

Compute the magnetic fields for and their effects on different objects.

#### Find the axial field strength of an ideal solenoid:

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Electric Circuits

Compute properties of different circuit elements, including diodes and filters, and their combinations.

#### Calculate the power used across an electrical component:

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Waveguides

Compute the allowed frequencies, their velocities and how the wave looks as it passes through different waveguides.

#### Investigate attenuated waveguides:

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Electromagnetic Physical Constants

Examine physical constants relevant to electricity and magnetism.

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### RELATED EXAMPLES

• Electrical Engineering
• Frequency Allocations
• Geomagnetism
• Optics
• Oscillations & Waves
• Space Weather
• ### RELATED WOLFRAM RESOURCES

• Demonstrations Project: Rutherford Scattering
• Electric Machines & Power Systems

Calculate properties of electric machines, such as motors, transformers and power transmission systems.

#### Compute characteristics of a transformer:

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### Rutherford Scattering

Calculate the scattering cross section for Rutherford scattering due to electromagnetic interactions.