Testing Challenge

This series challenges you to test things

Check the voltage of all the batteries in your house.

Check the voltage of your car battery. Bonus: check the voltage drop when the headlights are on.

Check the voltage of your household electrical system

Jab into a lemon a galvanized nail and a short piece of copper wire, leaving some space between them. Check the voltage.

Check the voltage of your cell phone charger.

Test Tester

Test Tester