Iron has a resistivity of 9.71×10° Nm at 20°C. What will the resistivity of Lead when then temperature is increased to 135°C. (Take a as 6.51×10³)
Q: A 14-gauge copper wire has a cross-section area of 2.081 mm². The resistivity of copper at 20…
A: The initial (20oC) resistance is, R1=ρLA=1.7×10-8 Ωm100 m2.081 mm210-6 m21 mm2=0.817 Ω
Q: At what temperature will silver have a resistivity that is two times the resistivity of iron at room…
A: The resistivity of silver is calculated as, Rt = R0[1+α(T-T0)] Here, Rt is the resistivity…
Q: Calculate the ratio of the resistance of 15.0 m of aluminum wire 2.3 mm in diameter, to 30.0 m of…
A: Given: Length of aluminum wire, La=15 m Diameter of aluminum wire, d=2.3 mm…
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A: Given the width of the potential well is 4 A0 and the value of the potential is 14 eV. If Ψx…
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A: The variation of resistance with temprature is R = Ro ( 1+ t × ∆T) , where T is coefficient of…
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Q: Find the mean free path of the electron in the copper metal at 20 degrees Celsius. The resistivity…
A: Find the mean free path of the electron in the copper metal at a temperaturegiven the resistivity of…
Q: Nichrome alloy has a resistivity of 110 × 10−6 Ωcm. From a roll of nichrome wire of 2.5 mmdiameter,…
A: Given, Resistivity ρ=110×10-6 ohm cm diameter=2.5 mm radius r=1.25 mm L=1 Area of the roll of…
Q: A brine sample recovered from depth of 8400 ft has a measured resistivity of 0.28 ohm-m at…
A: given A brine sample recovered from depth of 8400 ft has a measured resistivity of 0.28 ohm-m at…
Q: Wire C and wire D are made from different materials and have length Lc = Lp = 1.4 m. The resistivity…
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Q: 1 0.500-meter length of wire with a cross-sectional area of 3.14 x 106 meters squared is found to…
A: Given value--- length = 0.5 m. Area = 3.14 × 10-6 m2 . Resistance = 2.53 × 10-3 ohm. We have to…
Q: At what temperature (in Celsius) will aluminum have a resistivity that is three times the…
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Q: An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge…
A: Given data: diameter of copper wire=3(mm) current in the copper wire, I=1.2(A), charge concentration…
Q: 1.For copper, α = 3.9×10−3 ∘C−1. Suppose 2.5-m-long, 0.40-mm-diameter copper wire is connected…
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Q: A copper wire with 4mm diameter, 2.0m length carries 6.0 ampere of current. Free electron density of…
A: Given, current passing through wire is, I = 6A length of wire, L = 2m free electron density, n = 8.5…
Q: What is the resistivity of a wire if it is subiected to a 2.50 X 102 V/m electric field, and has a…
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Q: A current-carrying gold wire has diameter 4.69 mm. The electric field in the wire is 5.62 V/m. What…
A: The problem is based on the basic concept of electricity. The solution for the given problem is as…
Q: A 22-gauge copper wire has a radius of 0.645 mm, is 5.00 m long, and has a resistivity r = 1.72 ´…
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Q: Choose the correct alternative:(a) Alloys of metals usually have (greater/less) resistivity than…
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Q: Nichrome alloy has a resistivity of 110 x 10-6 Ncm. From a roll of nichrome wire of 2.5 mm diameter,…
A: Given values: Resistivity, ρ=110×10-6 Ωcm Radius, r=2.5 mm2=1.25 mm Length, l=1 m
Q: A copper wire has a length of 2 meters and a cross-sectional area of 3×10^{−6} square meters. The…
A: To determine the resistivity of the wire, we need to use Ohm's Law, which states that the potential…
Q: At what temperature will aluminum have a resistivity that is three times the resistivity copper has…
A: Given data The copper is placed at room temperature ∆t = 20°C. The mathematical formulation for the…
Q: A rod of semiconducting material of lenght L=3 m and cross-sectional area A=4.5 mm^2 lies along the…
A: Ohm's law states that the current flowing through a conductor is directly proportional to the…
Q: Copper has a density of 8.96 x 10³ kg/m³ and a resistivity of 1.70 x 10-³0-m. a) On the basis of the…
A: The density of Copper is The resistivity is
Q: A uniform cross-séction of šilver hås à resistivity of 1.54 × 10-8 2 m at room temperature. For an…
A: Resistivity ρ= 1.54×10-8 Ωm n=5.8*1028 E=1 v/m σ=1ρ=11.54×10-8 Ωm=6.49×107 Ω-1m-1 b. mobility,…
Q: A copper wire of radius a = 0.273 mm has an aluminum jacket of outer radius b = 0.399 mm. There is a…
A: The radius of copper wire,a=0.273mm The outer radius of the aluminium jacket, b=0.399mm current in…
Q: At what temperature will silver have a resistivity that is four times the resistivity of iron at…
A: resistivity of iron at room temperature = ρt = 9.71 x 10-8 ohm- m resistivity of silver at zero…
Q: Problem 5: A nichrome rod of length LN 58 cm is connected in series (end to end) to a carbon rod of…
A: Resistanace of a material is given as,R= Resistance of the materialL= length of the materialA= Cross…
Q: copper wire has a square cross section 2.3mm on a side. The wire is 4m long and carries a current of…
A: Given side of cross section a = 2.3 mm =2.3×10-3 m Cross sectional area A = a2 = (2.3×10-3)2 =…
Q: Silver at room temperature is found to have a resistivity of 1.59×108 №∙m. If the temperature i…
A: The resistivity which determines the resistance of a material to the flow of electric current will…
Q: Aluminum at 20°C has a resistivity of 2.65×108 m¹ if the temperature is increased to 60°C estimate…
A: The resistivity of a material is an intrinsic property. But it depends on the temperature of the…
Q: Problem 1. A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41.O N at…
A: solution as
Q: How long is a tungsten wire if it has a diameter of 0.109 x 10^-3 m and a resistasnce of 3.49…
A: The length of the tungsten wire is 579.47 m.Explanation:Step 1: Identify the given in the…
Q: Shown below is a copper wire with the following characteristics: Diameter: 1.45 mm.00145m 1.45 ×…
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Q: a) Taking C1 and C2 to be 6µF, 6 16MF 3V CH GUF buF L buF Find the Charge (@)
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Q: How long L is a tungsten wire if it has a diameter of 0.173 x 10- m and a resistance of 2.77 k? The…
A: Given that:- The diameter of the tungsten wire is d = 0.173 x 10-3 m. The resistance of the…
Q: In an experiment, the current through a wire is 0.20O A and the voltage across the wire is 0.800 V.…
A: The voltage across the wire is equal to the product of current and resistance.
Q: A copper wire has a square cross section 6.2mm on a side. The wire is 8.0m long and carries a…
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Q: The resistivity of pure germanium = 600 x 10-3 m. Calculate the resistance of a cylinder of pure…
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