1. A tungsten filament wire has a resistance of 20-N at 25°C. What will be its temperature at 100°C? Tungsten; Resistivity @20°C: 5.5x10-8 N-m Temperature Coefficient @20°C: 45.05x10-4/°C
Q: H.W. 1.3: At 0 C°, a specimen of copper wire has its resistance equal to 4-milliohm and its…
A: At 0 °C resistance Ro = 4m ohm Temperatures Coefficient α= 1/234.5 /°C Find the value of resistance…
Q: The resistance of a copper conductor wire at 20°C is 3Ω. Find the resistance value of this wire at…
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Q: A wire with length of 2000 meters have a diameter of 0.041 cm has a resistance of 3.5 ohms is drawn…
A: Here, we have given a wire with a length of 2000 meters. And the diameter and the resistance of the…
Q: If a wire is made of a material that has zero resistance at -123.40C, its temperature coefficient of…
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Q: 1. A l-m length of wire is found to have a resistance of 25 ohms. If the diameter of the wire is I…
A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…
Q: A 1000 ft length copper wire has a resistance of 0.628 ohm at 20∘ C. Determine the resistance of the…
A: The volume of the wire remains constant even if it is stretched to on third of its cross section.…
Q: I. The resistivity of a commercial quality of copper conductor is 0.686 2- inch at 20°C. Determine…
A: Given, Resistivity ρ=0.686 Ω-inch at 20°cLength of the copper = 600 ft=600×12 inch=7200 inchWeight…
Q: A tungsten wire has 25 ohms of resistance at 20 degrees Celsius. Calculate its resistance at 100…
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Q: A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its…
A: Given: The conductivity of copper wire at 20°C is 98%.
Q: It is found that the resistance of a coil of wire increases from 40 ohms at 15 degrees Celsius to 50…
A:
Q: The resistance of a copper wire is 125 ohms at 100°C. Determine the resistance at 70°C Note: DRAW…
A: Given, Rref=125ΩTref=100°CT=70°C
Q: 10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its…
A:
Q: Example 1.11. A copper conductor has its specific resistance of 1.6 x 10° ohm-cm at 0°C and a…
A: The solution can be achieved as follows.
Q: The temperature coefficient of resistance at 30˚C of a conductor is 0.003759. If it has a resistance…
A: At T=300C , α=0.003759 At T=250C , R25=1.25 At T=400C , R40=? RT=R0(1+α(T0-TT) At T=25…
Q: The resistance of a wire is 125 ohms at 100 °C and 100 ohms at 30 °C. Determine the temperature…
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Q: The resistance of a wire conductor at 30 ∘ C is 50 ohms. Find the temperature of the conductor if…
A: By temperature coefficient of resistance for any substance, we mean the change in the value of…
Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…
A: This question belongs to basic electrical . It is based on the calculation of resistance of the wire…
Q: 1. A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: The conductivity of Ag is about 61.4MS/m. What is the resistance of a 2m length Ag wire having 1mm…
A: Resistors, inductors and capacitors form an integral part of any electrical circuit. A source,…
Q: If the resistance of a copper wire is 50 N at 20°C, what is its resis- tance at 100°C (boiling point…
A: Given: For a copper wire, The resistance at temperature T1=20°C is R1=50 Ω Temperature at which…
Q: A copper wire 2 m long, with a diameter of 3 mm, has a resistance of 0.0012 2 at 20 °C. What will…
A: Given, A copper wire has Length, L=2 m Diameter, d=3 mm Resistance Rref=0.0012 Ω at Tref=20°C…
Q: Calculate the resistance of 100 meters length of a wire having a uniform cross- sectional area of…
A: We have to find the resistance of the wire by considering all the parameters given in the questions.
Q: 3. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to…
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Q: The resistivity of a copper rod 50 ft. long and 0.25 inch in diameter is 1.76 microhm-cm at 20°
A: In this question we will find resistance of copper rod...
Q: A wire of length L and of circular cross section of radius r has a resistance of R ohms. Another…
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Q: 1. What is the resistance of a copper conductor at 68 °C if its resistance at 20 °C is 6.160?
A: as per our company guidelines we are supposed to answer only first one question. Kindly repost other…
Q: The resistance of a copper wire is (0.92 N) at a temperature of (4 oC). At what temperature will be…
A: The resistance.and temperature dependence of the metals is explored and hence the temperature at…
Q: Calculate its resistance at 20°C
A: Given, A copper conductor of circular cross section has, diameter (d) =5 mm and length of the…
Q: 2. The resistance of a certain conductor , 300 mil diameter and 20 ft long is 200 x10^-3 Q.…
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Q: The resistance of copper wire with α = 0.00393/C° at 20°C is 64 Q. At 94 °C, its resistance would be…
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Q: The cross section of a copper conductor wire is 0.02062 in2 with a resistivity of 0.3794 μ Ω -in.…
A: Given, Cross section of conductor A=0.02062 in2 Resistivity, ρ=0.3794 μΩ-in Length l=850 ft=850×12…
Q: a) A cable consists of 100 m of copper wire having a cross-sectional area of 0.5 mm? and the…
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Q: Calculate the resistance of 100 m length of a wire having a uniform cross-sectional area of 0.1 mm²…
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Q: Calculate the resistance of a metal conductor 20 m length of a wire having a uniform cross-sectional…
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Q: You want to produce three cylindrical wires with a diameter of 1.00 mm, each with a resistance of…
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Q: A wire of length L and of circular cross section of radius r has a resistance of R ohms. Another…
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Q: Q1) A silver wire has conductance of 0.25 Siemens. What will be the resistance of a copper wire…
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Q: A wire with a length of 200 meters has a diameter of 0.052 cm is drawn so that its new diameter is…
A: Given:d1=0.052 cmd2=0.041 cmConductivity of the wire is 1.724 µΩ-cm at 20oCl1=200 m…
Q: The resistance of a wire conductor at 30∘C is 50 ohms. Find the temperature of the conductor if the…
A: The resistance at given temperature is calculated as RT2 = RT11+αT2-T1where,RT2 is resistance at…
Q: Determine DC Resistance of a 108m long wire, If the resistivity is 2.7E-8 Qm, the Area of a…
A: In this question, find the resistance R R= rho ×length / area
Q: temperature
A: In this question , effect of temperature on resistance is given...We have to find out resistance of…
Q: 3- For a (1 k2) copper composition resistor with a temperature coefficient at (20°C) 0.00393,…
A: The solution can be achieved as follows.
Q: A wire of length L and of circular cross section of radius r has a resistance of R ohms. Another…
A: Given, For first wire Length l1=L Circular cross-section radius r1=r Resistance, R1=R For second…
Q: A coil of copper wire has a resistance of 62 ohms at room temperature of 24°C, (a) what will be its…
A: The solution can be achieved as follows.
Q: A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its…
A:
Q: Determine DC Resistance of a 119m long wire, If the resistivity is 2.1E-8 Qm, the Area of a…
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Q: A copper wire 100 m long must experience a voltage drop of less than 1.5 V when a current of 2.5 A…
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Q: The resistance of a wire is 123.48 ohms at 100 °C and 100 ohms at 30 °C. Determine the temperature…
A: Given data, R1 = 123.48 Ω. T1 = 1000 C. R2 = 100 Ω. T2 = 300 C.
Q: 1-Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the…
A: Dear,as per company guidelines we can answer only one question at a time, kindly post other question…
Q: 2. What is the resistance at normal room temperature of 80 m of copper wire having a diameter of…
A:
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- A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in u0-cm?Calculate the electrical conductivity of pure platinum at -200oC. data: resistivity of Pt a Tamb = 9.85x10-6ohm.cm; resistivity coefficient per T of Pt (a = 0.0039 ohm / ohmoC)10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in uQ-cm?
- 10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in un-cm? wwwThe resistance of wire increases from 40 – ohm at 20 0C to 50 – ohm at 70 0C. Find the temperature coefficient of resistance at 0 0C.A two wires, one of Copper and the other of Nickel, if the resistance of the first is (12.7 Q), and the second is (11.6 0) at room temperature, at what temperature are their resistances equal? Note that the temperature coefficient of resistivity of Copper is (0.0039 C-1), and for Nickel it is equal to (0.006 C1).
- 10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in un-cm? 11) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C?Ferromagnetic materials have this characteristic. A. A relative permeability slightly less than one. B. A relative permeability slightly greater than one. C. A very high resistivity. D. A high relative permeability.Question A suspension type insulator has three units with self-capacitance C and ground capacitance 0.1C. What will be the string efficiency?
- Determine the thermal coefficient of resistance of copper at 50°C, then use this value todetermine the resistance of copper wire at 170° if the resistance of this copper wire at 50°C is50ohms. The thermal coefficient of resistance of copper at O°C is 0.004264/C°1. Given a typical tungsten filament of a light bulb, 1 m long and 0.05mm in radius. nim B. Given that the temperature resistivity coefficient of tungsten is 4.5 X 10-3/ °C, meldoig zinovovd omo A. Calculate the typical resistance of the filament given that its resistivity at 20 °C is 5.6 X 10-8 (Q -m). calculate the resistance at 2000 °C. assuming linear resistivity-temperature 2000 ert pria relation.The resistance of a copper wire is (0.92 0) at a temperature of (4 oC). At what temperature will be resistance be (1.06 0)?