If the resistance of a conductor 1mm2 in cross-section and 20 m long is 0.346 Q. Calculate the specific resistance of the conducting material in 2-m.
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- The resistance of a conductor 1 mm^2 in cross-section and 20 m long is 0.346 Ω. Determine the specific resistance of the conducting materialWhich of the following is an effective tool to determine directly the conductor surface equation? the electric field at the conductor boundary; (The answer cannot be found on the other choices.) the surface charge density of the conductor; the potential field in the region;The inner conductor of a long coaxial cable has radius a. The inner radius of the outer conductor is b. Inner conductor V0, outer conductor at 0 potential. Determine the electric potential and electric field strength in the insulating material.
- Compute the resistance of a conductor whose resistivity is 20.54 ohm-CM per foot with circularc ross-sectional area of 38 mm2a nd length of 5,000 meters. If the conductor is drawn until its resistance becomes 10 ohms, what will be its new length?Conducting planes at z = 2 cm and z = 8 cm are held at potentials of -3 V and 9 V, respectively. The region between the plates is filled with a perfect dielectric with ϵ = 15 ϵ0, voltage at z = 1CM?A lead conductor is 5cm in length and 8 sq. cm in cross-sectioned area. The terminals to be joined by this conductor are 8 cm apart. Hence, the conductor was pounded and reshaped until it is 8 cm long. If the resulting conductor has uniform cross-sectional area, determine the resistance. Resistivity of lead is 22x10^-8 Ω-m.
- The resistance of a cylindrical brass conductor, 0,5 cm diameter and 3 m long, is 0.0108 ohm. Determine resistance of a cylindrical conductor of the same material at the same temperature, and having a diameter of 0.25 cm and a length of 8 m.The conductivity of a material is essentially expressed by the product of the number of free carriers and the mobility of these carriers. Explain why the conductivity of conductors increases at higher temperatures, while an opposite trend is seen with metals.Find the resistance of a conductor at 500 degrees Celsius given that its temperature coefficient at 200 degrees Celsius being 1/420 per oC and resistance at 420 oC being 200 ohms.
- Conductors A composite conductor 10 m long consists of an inner core of steel of radius 1.5 cm andan outer sheath of copper whose thickness is 0.5 cm. Take the resistivities of copper andsteel as 1.77 x10-8 and 11.8 x10-8Ω respectively. Determine the resistance of the conductor. If the total current in the conductor is 60 A, what current flows in each metal? Find the resistance of a solid copper conductor of the same length and cross-sectional areas as the sheath.A spherical conductor is known to have a radius and a total charge of 10 cm and 20uC. If points Aand B are 15 cm and 5 cm from the center of the conductor, respectively. If a test charge, q = 25mC, is to bemoved from A to B, determine the potential at A; and the potential energy at BA spherical conductor is known to have a radius and a total charge of 10 cm and 20uC. If points Aand B are 15 cm and 5 cm from the center of the conductor, respectively. If a test charge, q = 25mC, is to bemoved from A to B, determine the following: