Calculate resistance of 1km long copper wire
WebCalculate the resistance of a 1 Km long copper wire of area of cross section 2 x10^-2 cm^2. The resistivity of copper is 1.623 x 10^-8 ohm-meter. Web1. Calculate the resistance of 1km long copper wire of radius 1mm. Resistivity of copper = 1. 72 x10-8 2. Given is the potential difference of 2 volt that is applied across the wire ends of length 5 m .A current of 1 A flows through the wire . Calculate ( I ) Resistance per unit length of wire ( II ) Resistance of 2 m length of wire ( III) Resistance across the …
Calculate resistance of 1km long copper wire
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WebCalculate the resistance of 1 km long copper wire of area of cross section 2×10 −2cm 2. The resistivity of the copper wire is 1.62×10 −8ohm−metre. Medium Solution Verified by … WebCalculate the total DC resistance of a 100 metre roll of 2.5mm 2 copper wire if the resistivity of copper at 20 o C is 1.72 x 10-8 Ω metre. Data given: resistivity of copper at 20 o C is 1.72 x 10-8, coil length L = 100m, the cross-sectional area of the conductor is 2.5mm 2 which is equivalent to a cross-sectional area of: A = 2.5 x 10-6 metres 2.
WebThree wires are made of copper having circular cross sections. Wire 1 has a length L and radius r. Wire 2 has a length L and radius 2 r. Wire 3 has a length 2 L and radius 3 r. Which wire has the smallest resistance? WebDec 25, 2024 · answered • expert verified Calculate the resistance of a 1km length, 1mm diameter wire made from: c) State which material is better suited for being used to make resistors, and justify your answer. ... the resistance of copper wire is 22 Ω. Let us recall that; R = ρl/A. ρ = resistivity. l = length of the wire. A = cross sectional area of ...
WebCalculate the resistance of 1 km long copper wire of radius 1 mm. Resistivity of copper is 1.72 xx 10^-8 Omega m.Class:10Subject: PHYSICSChapter: ELECTRICITY... WebJun 3, 2024 · Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of the copper is 1.7×10‐⁸ ohm meter. ⭐ The resistivity of wire is …
WebAug 21, 2024 · What is the resistance of A 20.0 m long piece of 12 gauge copper? 0.104 ohms So that’s 1.72 times 10 to the minus 8 ohm meters times 20.0 meters—length— multiplied by 4 divided by π times the diameter squared and this gives 0.104 ohms is the resistance of this piece of wire.
WebJun 4, 2024 · A wire `1.0` m long, `0.2` mm in diameter, has a resistance of `10 Omega`. Calculate the resistivity of its material. asked Apr 24, 2024 in Physics by Lakhith ( 71.9k points) day hotels for cruises tampa flgauke healthcare co. ltdWebApr 10, 2024 · With the help of the Wire Resistance Calculator, you can find the resistance and conductance of a specific wire in less amount of time. This tool takes … gauke healthcare hubei co. ltdWebQ.26 Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of copper is 1.7 × 10–8 Ω m.#ElectricityNumericals gauk auctions reviewsWebThe Wire Resistance Calculator is designed to calculate the resistance of round copper wire. The formula to calculate resistance is: Where. R = Resistance in ohms. ρ = The … gauke healthcareWebCalculate the current density, resistance, and electrical field of a 5-m length of copper wire with a diameter of 2.053 mm (12-gauge) carrying a current of I = 10 mA I = 10 mA. Strategy We can calculate the current density by first finding the cross-sectional area of the wire, which is A = 3.31 mm 2 , A = 3.31 mm 2 , and the definition of ... gauke international trading co. ltdWebSep 12, 2024 · The resistivity of a material is a measure of how strongly a material opposes the flow of electrical current. The symbol for resistivity is the lowercase Greek letter rho, ρ, and resistivity is the reciprocal of electrical conductivity: ρ = 1 σ. The unit of resistivity in SI units is the ohm-meter (Ω ⋅ m. gauja national park facts