charge

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We’ve all had the experience: you’re walking across a soft carpet, you reach for the doorknob and … ZAP. But what causes this trademark jolt of static electricity? Anuradha Bhagwat sheds light on the phenomenon by examining the nature of matter.

phet.colorado.edu

Grab a balloon to explore concepts of static electricity such as charge transfer, attraction, repulsion, and induced charge.

phet.colorado.edu

Play with John’s foot and arm to explore when he gets a shock!

phet.colorado.edu

Explore how a capacitor works! Change the size of the plates and the distance between them. Change the voltage and see charges build up on the plates. View the electric field, and measure the voltage. Connect a charged capacitor to a light bulb and observe a discharging RC circuit.