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)
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A: The initial (20oC) resistance is, R1=ρLA=1.7×10-8 Ωm100 m2.081 mm210-6 m21 mm2=0.817 Ω
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Q: 2. a) The resistivity of copper is 1.7241 x 10-8 (-m) at 20°C. What is the conductivity of copper at…
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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…
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A: Given, Length of copper wire = 50 m Diameter = 1.15 mm Resistance = 0.830 ohms at 20 degrees
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Q: lông L tungster re if it has a diam 0.137 × 10-3 m and a resistance of 3.41 k2? The resistivity of…
A: GivenDiameter of wire (d)=0.137×10-3 mResistance(R)=3.41×103 ohm Resistivity of Tungsten…
Q: If the resistance of a conductor is 4000 Ω, the length is 8 m and the resistivity value is 2000,…
A: solution as
Q: a) Determine the length (in mm) of a gold conductor that has a resistance of 0.018 Ω and a…
A: Given data: Resistance (R) = 0.018 Ω Cross-sectional area (A) = 3.4 × 10-9 m2 Resistivity of gold…
Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x 10-8…
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Q: What is the resistance of a wire made of a material with a resistivity of 3.2 x 10 -8 12 m if its…
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Q: What is the resistance of a wire made of a material with a resistivity of 3.2 x 10 -8 if its length…
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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: 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: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x…
A: Given- Resistivity ρ=3.2×10-8Ω.m Length L=49.1 m Diameter d=0.50 mm=0.50×10-3m Radius…
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…
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Q: Iron has a resistivity of 9.71×10° Nm at 20°C. What will the resistivity of Lead when then…
A: We have given Resistivity at 20oC is ρo= 9.71× 108 Ω.m Initial temperature To = 20oC Final…
Q: What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 10-8…
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Q: Suppose you're using a copper wire that has a radius of 0.5 mm, is 3.8 m long, and has a resistivity…
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Q: A certain metal has a resistivity of 13.6×108 m at 20°C. If the temperature coefficient of the given…
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Q: The resistivity of a material used to make a round 950W resistor is 53W per unit length. If the…
A: Rating of resistor= 950WResistivity of a material,Radius,
Q: What is the resistance (in Ohms) of a wire made of a material with a resistivity of 3.3x 10-82. m if…
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Q: A particular wire has a resistivity of 3.3 x 108 m and a cross-sectional area of 3.7 x 10-6 m². A…
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Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…
A: The given data are: R0=50 ΩTi=20 °CR=77 Ωα=3.92×10-3 /°C
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