Introduction
Have you ever wondered why some flashlights use small batteries and some use big ones? What difference does it make? Do larger batteries make the light brighter? Will the size of the battery make a difference in how long the flashlight will stay bright? Or is the battery chosen for some other reason?
Objectives
In this activity, you will
- Measure the voltage of batteries as they discharge.
- Predict how different size batteries will behave when being discharged.
Sensors and Equipment
This experiment features the following sensors and equipment. Additional equipment may be required.
Option 1
Go Direct® Voltage Probe
Option 2
Differential Voltage Probe
Ready to Experiment?
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Purchase the Lab Book
This experiment is #43 of Elementary Science with Vernier. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.
