Change rho, l, A see resistance
https://phet.colorado.edu/sims/html/resistance-in-a-wire/latest/resistance-in-a-wire_en.html
Change rho, l, A see resistance
https://phet.colorado.edu/sims/html/resistance-in-a-wire/latest/resistance-in-a-wire_en.html
See epe around different charges – change charges
Build up field arrows by moving charge near other charge
http://mw.concord.org/nextgen/#interactives/physics/electrostatics-physics/direction-force-physics
Helen rates this resource as Good
Change rho, l, A see resistance
http://www.thephysicsaviary.com/Physics/Programs/Labs/ResistanceOfWireChallengeLab/index.html
Try to get the right charges on the rods (hard)
http://www.physicsclassroom.com/Physics-Interactives/Static-Electricity/Charging
Transferring energy electrically
http://www.thephysicsaviary.com/Physics/Programs/Labs/ElectricalEquivalentOfHeatLab/index.html
Change r, rho, A, see resistance
http://www.thephysicsaviary.com/Physics/Programs/Labs/ResistanceOfWireLab/index.html
Change charges, see potential energy
Helen rates this resource as Good
Take single reading to find internal resistance of cell
http://www.thephysicsaviary.com/Physics/Programs/Labs/InternalResistanceOfBattery/index.html
Move the slider until meter reads zero, calculate resistance
http://www.walter-fendt.de/html5/phen/wheatstonebridge_en.htm