This is a picture of a normal duracell double a battery. In class we leaned that this battery has a voltage of 1.5V. Many batteries has the same voltage as this one, but the bigger it is the longer the charge lasts. the amount of chemicals differs in the size of the battery, causing it to last longer. In class we hooked it up to a light bulb to make it light, the we hooked the light bulb to a 9 volt battery. The light bulb exploded in less then a second because of the high voltage. We also learned that just because something has a lot of voltage, it does not mean that is dangerous. It depends on how much charge the item contains. For example we used this object in class which generates 100,000 volts, but when you touched it, it did not hurt. We also learned that electric potential does not equal electric poetential energy. The last thing we learned is the electric potential is equal to the amount of electric potential energy per charge.
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