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published by the PhET
This is the original Java version of the PhET Faraday's Law simulation. It features five interactive models to explore magnetic fields and Faraday's Law of Induction with movable magnets and coils, AC and DC electromagnets, transformers, and generators.  An assortment of tools allow users to modify magnet strength, add or take away coils, view a virtual field meter to measure magnetic flux and field components, change the size of loops in a coil, show field lines, and more.  

See Related Materials for a link to a simpler version of this simulation, available in HTML5.

This simulation is part of a large collection of freely accessible simulations, developed by the Physics Education Technology Project (PhET) using principles from physics education research.

Please note that this resource requires at least version 1.5 of Java.
Subjects Levels Resource Types
Electricity & Magnetism
- Electric Fields and Potential
- Electromagnetic Induction
= Induced Currents and Forces
= Motors and Generators
- Magnetic Fields and Forces
- Lower Undergraduate
- High School
- Informal Education
- Upper Undergraduate
- Instructional Material
= Activity
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
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Access Rights:
Free access
This material is released under a GNU General Public License Version 2 license. Additional information is available.
Rights Holder:
PHET and University of Colorado
Faraday, bar magnet, electromagnet, generator, induction, magnetic field, magnetic flux, transformer
Record Cloner:
Metadata instance created October 22, 2006 by Gifford Weber
Record Updated:
December 28, 2017 by Caroline Hall
Last Update
when Cataloged:
September 1, 2008
Other Collections:

Next Generation Science Standards

Disciplinary Core Ideas (K-12)

Types of Interactions (PS2.B)
  • Forces at a distance are explained by fields (gravitational, electric, and magnetic) permeating space that can transfer energy through space. Magnets or electric currents cause magnetic fields; electric charges or changing magnetic fields cause electric fields. (9-12)
Relationship Between Energy and Forces (PS3.C)
  • When two objects interacting through a field change relative position, the energy stored in the field is changed. (9-12)

Crosscutting Concepts (K-12)

Cause and Effect (K-12)
  • Systems can be designed to cause a desired effect. (9-12)
  • Cause and effect relationships can be suggested and predicted for complex natural and human designed systems by examining what is known about smaller scale mechanisms within the system. (9-12)
Systems and System Models (K-12)
  • Models (e.g., physical, mathematical, computer models) can be used to simulate systems and interactions—including energy, matter, and information flows—within and between systems at different scales. (9-12)
Structure and Function (K-12)
  • The functions and properties of natural and designed objects and systems can be inferred from their overall structure, the way their components are shaped and used, and the molecular substructures of its various materials. (9-12)
Influence of Engineering, Technology, and Science on Society and the Natural World (K-12)
  • Modern civilization depends on major technological systems. Engineers continuously modify these technological systems by applying scientific knowledge and engineering design practices to increase benefits while decreasing costs and risks. (9-12)

NGSS Science and Engineering Practices (K-12)

Developing and Using Models (K-12)
  • Modeling in 9–12 builds on K–8 and progresses to using, synthesizing, and developing models to predict and show relationships among variables between systems and their components in the natural and designed worlds. (9-12)
    • Use a model based on evidence to illustrate the relationships between systems or between components of a system. (9-12)
Using Mathematics and Computational Thinking (5-12)
  • Mathematical and computational thinking at the 9–12 level builds on K–8 and progresses to using algebraic thinking and analysis, a range of linear and nonlinear functions including trigonometric functions, exponentials and logarithms, and computational tools for statistical analysis to analyze, represent, and model data. Simple computational simulations are created and used based on mathematical models of basic assumptions. (9-12)
    • Use mathematical representations of phenomena to describe explanations. (9-12)
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Record Link
AIP Format
, Version 1.02 (PhET, Boulder, 2005), WWW Document, (
PhET Simulation: Faraday's Electromagnetic Lab - Original Version, Version 1.02 (PhET, Boulder, 2005), <>.
APA Format
PhET Simulation: Faraday's Electromagnetic Lab - Original Version. (2008, September 1). Retrieved July 13, 2024, from PhET:
Chicago Format
PhET. PhET Simulation: Faraday's Electromagnetic Lab - Original Version. Boulder: PhET, September 1, 2008. (accessed 13 July 2024).
MLA Format
PhET Simulation: Faraday's Electromagnetic Lab - Original Version. Vers. 1.02. Boulder: PhET, 2005. 1 Sep. 2008. 13 July 2024 <>.
BibTeX Export Format
@misc{ Title = {PhET Simulation: Faraday's Electromagnetic Lab - Original Version}, Publisher = {PhET}, Volume = {2024}, Number = {13 July 2024}, Month = {September 1, 2008}, Year = {2005} }
Refer Export Format

%T PhET Simulation: Faraday's Electromagnetic Lab - Original Version %D September 1, 2008 %I PhET %C Boulder %U %O 1.02 %O application/java

EndNote Export Format

%0 Electronic Source %D September 1, 2008 %T PhET Simulation: Faraday's Electromagnetic Lab - Original Version %I PhET %V 2024 %N 13 July 2024 %7 1.02 %8 September 1, 2008 %9 application/java %U

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

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PhET Simulation: Faraday's Electromagnetic Lab - Original Version:

Has Version Of PhET Simulation: Faraday's Law - HTML5

A link to a simpler HTML5 version of the PhET "Faraday's Law" simulation, appropriate for middle school learners or as a conceptual introduction to electromagnets.

relation by Caroline Hall

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