A 1-m length of wire is found to have a resistance of 25 ohms. If the diameter of the wire is 1 mm, determine the resistivity in 2-m.
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- A. What is the area in circular mils of a copper wire that has a resistance of 2.5 ohms and is 300ft long (T = 20°C)?b. Show your solution, determine whether the area of an aluminum wire will be smaller or largerthan that of the copper wire using the same resistance and length state in letter A. ExplainIf a wire is made of a material that has zero resistance at -123.40C, its temperature coefficient of resistance at 200C is _______.A wire with length of 2000 meters have a diameter of 0.041 cm has a resistance of 3.5 ohms is drawn so that its new diameter is 0.052 cm. What is its resistance if the conductivity of the wire is 1.724 μ Ω-cm at 20 °C.?
- A wire with a length of 200 meters has a diameter of 0.052 cm is drawn so that its new diameter is 0.041 cm. What is its resistance before and after it was drawn if the conductivity of the wire is 1.724 µ Ω-cm at 20 °C.A wire of 59 in length and 4 mm2 has a resistance of 0.94 ohms. A 110-m length of wire of the same material has a resistance of 3 at the same temperature. Find the radius of this wire. The final unit must be in millimeter, mm.A. What is the area in circular mills of an aluminum conductor that is 80 ft long with a resistance of 2.5? B.What is its diameter in inches?
- A 1 m length of wire is found to have a resistance of 25 ohms. If the diameter of the wire is 1 mm, determine the resistivity in ohms-mCalculate the cross-sectional area, in mm2, of a piece of copper wire, 40 m in length and having a resistance of 0.25 ohm. Take the resistivity of copper as 0.02 × 10−6 ohm.A piece of silver wire has a resistance of 1 ohm. Determine the resistance of alead wire one-third the length and one-third the diameter if the resistivity of lead wire is 30 times that of silver. NOTE: Please explain where did you get the variables so I can understand them. Thank you
- A metallic wire is stretched from original length of 2 m to 5 m. If the original cross-sectional area is 4 square millimeters and original resistance is 8 ohms, determine the new resistance (in ohms) of the metallic wire. Assume the volume of the wire is preserved.The rate of change in resistance of a conductive wire ( ) with respect to its temperature ( ), is found to be equal to the product of the temperature coefficient of resistance ( ) and the resistance at that temperature. If the variation of the resistance is continuous with respect to the temperature,Using the given particulars, calculate the resistances of the following conductors at . Material – Copper-Annealed, Length- 1000 ft., CM – 3220 circular mils.