![]() Ohm’s law is best described by using a pyramid displaying the relationship between these three values. Ohm’s law is a formula commonly taught to students of electronics and it helps to calculate the relationship between the voltage, current, and resistance of a circuit. If you haven’t heard of Ohm’s law before, we are going to take a quick stop to understand it. When talking about the voltage drop across a resistor, we are referring to the voltage across a resistor, or the voltage once the current flow has gone through a resistor. The first circuit with only one resistor, and the second circuit with two resistors. In the image above, you will see two circuits. Understanding Voltage Drop Across a Resistor Let’s take the following circuits in the image below to help provide more clarity. Talking about calculating the voltage drop across a resistor wouldn’t make sense if we don’t understand what is the voltage drop across a resistor. Conclusion What is the voltage drop across a resistor?.Why do I need to drop the voltage in a circuit?.How do you calculate the current in a series circuit?. ![]() Calculate Voltage Drop Across Resistors Based on the Circuit Type.What is the voltage drop across a resistor?. ![]()
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