Electrical Circuit Calculation

Calculating an electrical circuit is necessary to determine the main parameters when selecting individual components or creating a circuit from scratch. Such parameters include voltage, current, power, and resistance, and their values can be determined using the calculator on the page.

The program allows calculating data based on any two known values: for example, if you know the current and power, you can easily obtain the voltage and resistance data. Unlike tables and equations, using the calculator allows you to find exact values in a minimal time.

The following methods can be used for circuit data calculation:
• The nodal potentials method is used if the number of independent nodes equals or is less than the loops.
• The loop currents method. In this case, unknowns in the equation are considered to be currents created by hypothetical division of the circuit.
• Calculation using Kirchhoff's laws, which are used to compose universal equations for an arbitrary circuit with concentrated parameters.

Generally, electrical circuit calculation is necessary during repair or design of household, measuring, scientific, and technical equipment. To use the online calculator, enter the current and voltage indicators, and the program will output resistance in Ohms and power in Watts. Other data can be entered to calculate voltage or another electrical circuit parameter.