When multiple cells of the same type are put in series, we get twice the voltage or potential to push electrons through a circuit. Batteries usually have ratings tattooed on their skins describing their capacity-numbers such as “1.2V NiMH 2,500mAhour” or “3.7V Li-ion 5,800mAh.” The chemistry and size of the battery determine the energy it can store. The volume/weight is inversely proportional to how long it will power your equipment before it must be changed (or recharged).
#Power designer battery logger portable
When you choose a battery to power your portable equipment, you will most likely make a compromise on the size of the battery. This was named after him as Coulomb’s law. His later work in physics led to the discovery of the inverse relationship of the force between electric charges (and magnetic) and the square of their distance. During his decades of military service, he was continuously involved in engineering fields, including structural and soil mechanics. I do, however, want you to think about the gas tank in your car, because it does relate to the “coulomb.” First, like many terms, the coulomb is named after its discoverer, French military engineer and physicist Charles-Augustin de Coulomb. In the near future, I foresee an environmental tax to offset the damage we’ve done, and to help pay for what is necessary to reverse it. It’s hard to guess the real reason for such swings-politics, reserves, auto industry and the like. While they are now rising slightly, 20 years ago I thought I’d never see those prices ever again. Long lines and prices approaching $5 a gallon seemed like the “new normal” (a pandemic of another kind).Įventually, the pendulum swung back and we saw gas (and heating oil) prices below $2 a gallon.
#Power designer battery logger drivers
When gas shortages hit, rationing meant assigning drivers to odd or even days, on which access to the pumps would be granted. Often, they would check the fluid levels under the hood, and even add air to your tires while their gas pump was adding fuel to your tank. In the past, these service or gas stations would fight for your business by giving away premiums like beverage glasses, for the privilege of pumping your gas for you. We’ve also lost the “service” from service stations. Throughout my lifetime, gas prices have really fluctuated. One thing the COVID-19 pandemic brought on was lower gasoline prices.
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