Calculate the resistance of 100 meters length of a wire having a uniform cross- sectional area of 0.1 mm2 if the wire is made of Manganin having a resistivity of 500 nΩ-m. 1.
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Include all decimals in the computations only final answers will be rounded off to four decimal places
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- a silver wire has a resistance of 3.5 ohm. what will be the resistance of manganin wire having diameter, half of the silver wire and length one-fourth? The specific resistance of manganin wire is 25 times that of silverIf a wire is made of a material that has zero resistance at -123.40C, its temperature coefficient of resistance at 200C is _______.An annealed copper wire, 2-km long, is being used as conductor in an electrical system in an environment temperature of 38°C. If the diameter of the wire is 0.65 cm, determine its total resistance.
- A copper wire,100m long has a diameter one-third the diameter of a length of manganin wire The resistivities of manganin and copper are 0.44 and 0.018 micro ohms per meter. Calculate the length of the manganin wire If It has has the same resistance as the copper wireA copper wire 100 m long must experience avoltage drop of less than 1.5 V when a current of 2.5 A passesthrough it. Given that copper has an electrical conductivity of6.0E7 /(Ὠ-m), compute the minimum diameter of the wire.A silver wire has a resistance of 2.5 ohms. What will be the resistance of amanganin wire having a diameter, half of the silver and length one third? Thespecific resistance of manganin is 30 times that of silver.
- complete solution. Find the resistance of analuminum wire that has a length of 200 meters and 1.63 mm diameter. The wire is at 20 OC. Note that the resistivity of aluminum at 20O C is 2.8 x 10^-8 Ω-m.The resistance of a wire conductor at 30∘C is 50 ohms. Find the temperature of the conductor if the resistance increases up to 150 ohms.The coefficient of resistance is 0.003929 at 20∘ C .The resistance of a wire conductor at 30 ∘ C is 50 ohms. Find the temperature of the conductor if the resistance increases up to 150 ohms. The coefficient of resistance is 0.003929 at 20∘ C.
- Conductors A conducting wire is 2 mm in radius and 100 m in length. When a dc voltage of 9 Vis applied to the wire, it results in a current of 0.3 A. Find: The E-field in the wire, The conductivity of the wire.Using the given particulars, calculate the resistances of the following conductors at . Material – Copper-Annealed, Length- 1000 ft., CM – 3220 circular mils.Neglecting losses and fringing effects and assuming the substrate of a stripline to have a thickness of 0.42 (mm) and a dielectric constant of 2.83, determine the required width (in mm) of the metal strip in order for the stripline to have characteristics resistance of 78 Ohms. No need for a solution. Just write your numeric answer in the space provided. Round off your answer to 2 decimal places.