Amp to volt2/19/2023 ![]() Note: Ohm’s Law uses “I” for current instead of “A”. If you try to send the same amount of energy through two different voltages, the higher voltage deals with less resistance. Ohm discovered that resistance had a greater effect on current (amperes or amps) than voltage. He’s responsible for the resistance equation and a unit called “Ohms.” It’s here that a guy named Ohm comes into play. Or, you may have noticed your lights flicker when the AC in your home turned on. You may have experienced a voltage drop when using too thin an extension cord on 15-amp power tools. Thick wire and higher quality materials allow electrons to flow smoothly. Thinner gauge wire and lower quality materials restrict electron flow. A similar issue exists for electrical energy. A thinner tube restricts how easily fuel gets to the engine. Resistance gums up the equation, however, and keeps it from being a simple matter. Ĭode Embed: Cannot use CODE1 as a global code as it is being used to store 502 unique pieces of code in 675 posts Join the ResistanceĪs the energy reaches the motor, our V x A = W equation describes how much power it gets. Pro Tool Reviews has a more detailed article titled 20V Max Vs 18V: Setting the Record Straight. Once you understand this, you can see that 18V = 20V Max, 36V = 40V Max, and so on. As soon as you start using them, they settle into their nominal voltages: 36V, 72V, and 108V. This is the voltage you may measure right off the charger. Voltage numbers like 40V, 80V, and 120V often represent peak (max) volts. So theoretically, the higher voltage doesn’t mean more power in and of itself. There are multiple ways to get there.Īs long as you can draw enough current (amps) from the battery, you can get the same amount of power out of many voltages. Let’s say we need 2,200 watts to run a lawnmower. That title goes to watts, and the calculation is pretty simple: Neither volts nor amps describe power by itself. ![]() To help settle the argument, let’s take a closer look at volts, amps, and resistance. The problem isn’t quite that simple, though. ![]() Higher battery voltages seem to be what Pros and consumers look at as an equivalent measurement. As lawn care and OPE (outdoor power equipment) continue their shift into more cordless products, the landscape isn’t easy to navigate. ![]()
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