PhET Interactive Simulations
University of Colorado Boulder
Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage.
Sample Learning Goals
- Do the small blue spheres represent positive or negative charges?
- Which side of the batterey is labeled positive, and which side is negative?
- How can you determine which side of the battery is positive and negative just by the location of the blue charges?