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You can turn on a grid of field vectors that show the direction.

Students can turn on 1-5 charged particles, then move a test charge around the plane to sample both the electric field and potential. Point Charge Electric Field and Potential in 2D Modelįor the AP physics class, this Java model explores electric field and potential in a 2-dimensional situation.

Registered PhET users can access a set of teacher-contributed lessons and student guides. Tools include a virtual tape measure and a voltage sensor. What variables affect how charged bodies interact? In this model, students drag a positive or negative charge (or both) onto the field, then place “E-field sensors” (small positive test charges). Each time you level up, additional barriers are added! By placing charges on the virtual rink, your puck can be attracted or repelled around obstacles. Have Phun with the Physics by using your understanding of electric fields to guide a charged puck around obstacles to a goal. The Physics Classroom Interactive: Put the Charge in the Goal.You can view the landscape in two ways: 1) as electric field lines surrounding the charges, or 2) as electric potential shown in volts. Place two charges anywhere along the virtual conductive paper, tap Start, and observe the system approach equilibrium. This simulation was designed to help learners visualize the electric potential surrounding two point charge sources. The Physics Classroom Interactive: Electrostatics Landscapes.

Note: Specifically meets NGSS High School DCI: HS-PS2.B.2 – "Forces at a distance are explained by fields permeating space that can transfer energy through space." Learners drag positive or negative charges onto the field and observe the field lines that result from the configuration of charges.

The Physics Classroom Interactive: Electric Field Linesīeginners can get a feel for electric field patterns with this simple simulation appropriate for Conceptual Physics or Physics First courses.

The Physics Classroom Tutorial, Static Electricity Chapter, Lesson 4.

Readings from The Physics Classroom Tutorial

To use the electric field equation, Coulomb’s law equation, and Newton’s laws to analyze physical situations that involve electric fields and to solve physics word problems associated with such situations.

To construct and to interpret electric field line diagrams for isolated charges and for collections of two or more charges.

To use an understanding of the convention for electric field direction to identify the electric field direction around a source charge.

To state the mathematical definition of electric field (force/charge) and to describe the dependence of the electric field strength upon the variables that affect it.

To understand that all sources of charge create an influence or action upon other objects some distance away and that the electric field concept is used to describe that influence.

Teacher Toolkits » Electric Fields » Electric Fields - Complete Toolkit