Our Ohm's law calculator is a neat little tool to help you find the relationships between voltage, current and resistance across a given conductor. The Ohm's law formula and voltage formula are mainly …

Jul 23, 2025 · Step 1: Identify the known values. There should be at least two values: voltage (V), current (I). Step 2: Apply the Ohm's law, V/I = R and calculate the value of resistance (R).

Sep 27, 2025 · Add all of the resistances across the circuit together to calculate the total resistance. If you don’t know the individual values, use the Ohm’s Law equation, where resistance = voltage …

Sep 27, 2025 · Master electrical resistance with step-by-step calculations, Ohm's Law applications, and practical examples. Learn how resistance affects current flow, power dissipation, and circuit design.

Use our resistance calculator to calculate the resistance in ohms given voltage, current, or power. See the formulas to calculate resistance.

Everything CCEA students need to know about calculating resistance for GCSE Physics.

In this article, we will discuss the basics of calculating resistance and explore the various methods and formulas you can use to accurately measure it. By the end of this guide, you’ll have all the knowledge …

A brief explanation on how to calculate resistance using ohms law, including an info graphic of the equation and an online calculator.

Jun 11, 2023 · To find the resistance, you can rearrange the formula as: R = V / I. Where R is the resistance in ohms (Ω), V is the voltage in volts (V), and I is the current in amperes (A). Resistance …

To calculate the resistance, you first need to understand the components of Ohm’s law. The equation is expressed as V = IR, where V represents voltage, I represents current, and R represents resistance. …