Platinum has a resistivity of 10.6×108 m at 20°C. What will the resistivity of platinum when then temperature is increased to 1000°C. (Take a as 3.927×10³)
Q: Let's say you have a 20 cm long silicon wire, with a diameter of 4 cm. What current flows through…
A: Write the given values with suitable variables. L=20 cm=0.2 mr=4 cm2=0.02 mV=1000 Vρ=2300 Ω.m Here,…
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Q: The resistivity of copper is 1.72E-8 Ω×m. What is the resistance of a copper wire that is 27.5 m…
A: resistivity of copper is 1.72E-8 Ω×mdiameter of wire is 2.12E-3 m
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Q: The resistivity of silver ρ = 1.61 x 10-8 Ω.m. If you have a length of silver wire that is 3.15 m…
A: the radius of the wire is 241 micro meter.the resistance of the wire is,
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Q: A certain conductor wire has a resistance of 25 Q at 25°C. If the resistance 6. increased to 96 Q at…
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Q: A particular wire has a resistivity of 3?10−8 Ω. ? and a cross-sectional area of 4?10−6 ?2. A length…
A: Given,
Q: A wire with resistivity 1.8 x 10-7 Ω m has a resistance of 0.45 Ω and a length of 2.0 m. What is the…
A: Given data: The given resistivity of wire is = 1.8×10-7 ohm-m The value of resistance is R = 0.45…
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Q: If the resistance of a conductor is 4000 Ω, the length is 8 m and the resistivity value is 2000,…
A: solution as
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Q: The resistance of copper wire with a = 0.00393/C° at 20°C is 85 Q. At 56 °C, its resistance would be…
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Q: A copper wire is found to be having a resistance of 106.95 m at normal temperature. If the…
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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: Which statements are true for the resistivity of a metal conductor:
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Q: Silver at room temperature is found to have a resistivity of 1.59×108 №∙m. If the temperature i…
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Q: A certain laboratory experiment requires an aluminum wire of length of 22.0 m and a resistance of…
A:
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- How long is a tungsten wire if it has a diameter of 0.109 x 10^-3 m and a resistasnce of 3.49 k-ohms? the resistivity of tungsten is 5.62 x 10^-8 ohms*meters.Don't use chatgpt will upvote and provide solution in Handwritten form neat and clean and please be quick as soon as possible.A certain laboratory experiment requires an aluminum wire of length of 31.0 m and a resistance of 2.80 at 20.0°C. What diameter wire must be used? (The resistivity of aluminum at 20.0°C is 2.82 x 10-8. m.) mm
- The resistivity of copper is 1.72E-8 Ω×m. What is the resistance of a copper wire that is 27.5 m long and has a diameter of 7.99E-3 m (in Ω)?3. Look up tabulated conductivities (or resistivities) of copper, silver, and aluminum at 20 °C and calculate the resistance of a copper wire that is 2 meters long with a1 mm diameter. Repeat your calculation for silver, and for aluminum. The density of free electrons is 8.5x1028 particles/m3 for copper, 5.86x 102 m-3 for silver, and 18.1x1028 m-3 for aluminum. For a potential difference of 5 volts, how do the electron drift velocities in each of the three wires compare with one another?Iron has a resistivity of 9.71×108 m at 20°C. What will the resistivity of Lead when then temperature is increased to 135°C. (Take a as 6.51×10³)
- A wire 3.00 m long and 0.450 mm² in cross-sectional area has a resistance of 40.2 at 20.0°C. If its resistance increases to 40.5 at 28.5°C, what is the temperature coefficient of resistivity? (°C) -12) Resistivity is a property of a particular material and can be used to calculate the resistance of a sample. a) Provide an equation for calculating the resistivity of a material. b) Calculate the resistance of 50m roll of copper wire which has a cross sectional area of 5mm^2 if the resistivity of copper is 1.72 x 10^-8 ohm metres.A coil of wire has a resistance of 36.2Ω at 26 °C and 61.7Ω at 67 °C. What is the temperature coefficient of resistivity?
- A new material is found to be superconducting below 77 K. How much resistance will a 75 mm long sample of this material have if it is at a temperature of 69.3 K while connected to a 6.4 V AC-power supply? R = How much thermal energy will it generate?Thermal energy generated =A tungsten wire is used to determine the melting point of indium. The resistance of the tungsten wire is 2.221 at 20.0°C and increases to 4.307 as the indium starts to melt. αtungsten = 4.50 x 10−3 (°C)−1. What is the melting temperature of indium in °C?Suppose you're using a copper wire that has a radius of 0.5 mm, is 3.8 m long, and has a resistivity p=1.7 x 10 8 N- m. What is the resistance of the wire in Ohms?