In order to figure out how, you need to look at ohms law. Ohms law describes the relationship between voltage current and resistance. In some cases ohm's law uses the letter e to represent voltage. I is the electrical current flowing through the resistor, measured in amperes.
Confused or curious about ohms law. We have a beginners guide you should check out to help you decipher whats going on behind the formulas.
Ohm's law calculator calculation calculate ohms power formulas mathematical ohm's law pie chart electric voltage drop electric current resistance formula watt's. In the field of modern physics, it is emc2.
Electronics tutorial about ohms law and power in a dc circuit including its relationship between voltage, current and resistance. Similarly, in the field of current electricity, it is the ohms law about which we will be studying in this article. Certain formulas in physics are so prevalent that they become popular knowledge that you end up memorising without trying. Karen illustrates ohms law by making a simple circuit on a breadboard. In 1828, george simon ohm, a german physicist, derived a relationship between electric current and potential difference. This relationship is known as ohms law.