Resistance Calculator

Resistance Formula: R=ρ× LA 
Enter Length of the Wire:(L)= m
Enter Wire Cross Area:(A)= m2
Enter Resistivity:(ρ)= Ω.m
Enter Resistance:(R) = ohm(Ω)

x =


Resistance Calculator is a free online tool that displays the resistance of the circuit. BYJU’S online resistance calculator tool makes the calculation faster, and it displays the resistance of the electrical circuit in a fraction of seconds.

How to Use the Resistance Calculator?

The procedure to use the resistance calculator is as follows:

Step 1: Enter the resistivity, wire length, wire cross area, and x for the unknown in the respective input field

Step 2: Now click the button “Calculate x” to get the resistance

Step 3: Finally, the resistance of the electrical circuit will be displayed in the output field

What is Meant by Resistance?

In Physics, the resistance is defined as the measure which is used to calculate the opposition of the current flow in the electrical circuit. The unit used to measure the resistance is the ohm, and it is denoted by the Greek letter Ω. The resistance depends on the length of the wire and the cross area of the conductor, and the temperature. The formula to calculate the resistance is defined using Ohm’s law. Hence, 

Resistance, R = Voltage (V) / Current (I)


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