Eye Strain. When you stare at screens all day, your eyes can get tired. Take a break with the 20/20/20 rule. Look at an object at least 20 feet away for 20 seconds every 20 minutes, says Ivan Schwab, MD, a spokesman for the American Academy of Ophthalmology.
Once you have the dial on your volt meter set to measure voltage, simply touch the black lead to the negative (-) terminal on your battery and the red lead to the positive ( ) terminal on your battery.
Electricity is measured in Volts, Amps, and Watts. Voltage is the electrical pressure given to a circuit, like you pushing on a heavy block of concrete. Even if you don't mo â¦ ve the block, you are still applying pressure.