Calculate the resistance of the wire. Solution: Given: Length (L) = 10 meters Cross-sectional area (A) = 2 mm2 = 2 x 10-6 m2 Resistivity (ρ) = 1.7 x 10-8 ohm-meters Using the resistance formula: R = (ρ x L) / A R = (1.7 x 10-8 ohm-meters x 10 meters) / (2 x ...
Thus, the unit of resistivity will be, Unitofρ=Ωm2m=ΩmUnitofρ=Ωm2m=Ωm Hence, the SI unit of resistivity is Ohm-meter (?-m). Therefore, we may also define resistivity as under ? The resistance offered by 1 meter length of wire of a material having a cross-sectional area of ...
Our wire resistance calculator uses the following resistance formula: R = ρ× L / A where: R— Resistance in Ω; ρ— Resistivity of material in Ω× m; L— Length of the wire; and A— Cross-sectional area of the wire. You can use this wire resistance calculator to estimate ...
Resistance of a wire is R ohms. If it is stretched to make its length double, then its resistance...Question:Resistance of a wire is R ohms. If it is stretched to make its length double, then its resistance becomes what?Resistance:Resistance...
Al-Asadi M, Duffy A, Willis A, Hodge K, Benson T. A Simple Formula for Calculating the Frequency- Dependent Resistance of a Round Wire. Microwave and Optical Technology Letters. 1998; 19(2):84- 87.AL-ASADI M M,DUFFY A P,WILLIS A J,et al.A simple formula for calculating the ...
As long as the cross sectional area (A in mrobbins formula) is kept constant the wire cross section can be any shape (round, flat, square, twisted, etc.) and it will not affect the resistance for a given length and material.. by Foxx May 19, 2020 ...
. What is the resistance of a second wire, made of the same material, that is 1/4 as long and has 1/3 the diameter? Resistance of Wire:The resistance of the wire will be obtained when we'll know about the area ...
The PCB Trace resistance is directly proportional to the length of the wire and inversly proportional to the area of the cross section of the wire. It also increases with the increase in temperature. Following is the formula for calculating the resistance of PCB trace ...
where ρ is known as theresistivityconstant or thecoefficient of resistance. It is also known as the specific resistance of the material. Its units are Ohm-meter. Thus, knowing the length, cross-sectional area and material of the wire, it can be calculated. ...
Total length of wire = 66 ft Resistance of the wire = 0.259 × 10−3 ohms (0.259 × 10−3) 66 ft = 0.017 ohms. (7) Anode bed resistance Maximum circuit resistance = 2.5 ohms Pipeline-soil resistance =1.5 ohms Wire resistance = 0.017 ohms R(anode bed) = maximum circuit resistance...