What is the resistance of a copper specimen with an initial resistance of 250 ohms at 38 degrees Celsius? Present temperature is 48 degrees Celsius and RTC at O degree Celsius of 1/237.6 per degree Celsius? *

Q: A wire has a length of 8.0 m and is made of copper which has a resistivity of 1.7 x 10-8 Ωm.  This…

A: The diameter d=0.01m  Length L=8.0m  To find the resistance of the wire

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: A gold resistance thermometer has a resistance Ro = 70.0Ω at To = 20°C. The temperature coefficient…

A: SOlution: given that  Ro = 70.0Ω To = 20°C Temperature coefficient of resistance is 3.4x10-3°C R…

Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…

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Q: The resistance of a thin silver wire is 1.0 32 at 0°C. The wire is placed in a liquid bath and its…

A: Resistance is a measure of the opposition to current flow in an electrical circuit. Here,we…

Q: A resistance thermometer using a platinum wire is used to measure the temperature of a liquid. The…

A: Given- Resistance of platinum wire (Rplat)  =2.42 ohms at oºcResistance of liquid wire (Rliq)  =…

Q: When at 25 degrees Celsius, a certain resistor has a resistance of 220 Ohms. When connected to a…

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Q: A certain lightbulb has a tungsten filament with a resistance of 22.4 N when at 20.0°C and 143 N…

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Q: pper wire has a resistance of 0.525 N at 20.0°C, and an iron wire has a resistance of 0.560 N at the…

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Q: A copper (resistivity = 1.72 EXP-8 Ω.m) conductor with a square cross section, 1.0 mm on a side is…

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Q: A copper wire of length 25 m has a resistance of 0.55 Q at 20°C. a) What is the radius of the wire?…

A: Resistance of an object is defined as the opposition to the current flow in the material. It depends…

Q: The variation in electrical resistance with temperature can be used to make precise temperature…

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Q: Platinum (ρ = 10.6 x 10^-8 Ω-m, α = 3.927 x 10^-3/C^0) is used as resistance thermometer to measure…

A: ρ=10.6x10-8Ω-mα=3.927x10-3/C0at To=20 C then, resistance, Ro=164.2Ωlet at T be the temperature,when…

Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

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Q: A resistance thermometer using a platinum wire is used to measure the temperature of a liquid. The…

A:

Q: The resistance of a resistor at 8 degrees Celsius is given as 34 ohms. Determine the resistance, in…

A: Given The initial temperature of resistor is Ti=8°C. The initial resistance of resistor is R0=34 Ω.…

Q: A tungsten wire is used to determine the melting point of indium. The resistance of the tungsten…

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Q: Practice Problem 18.4 Thermometer Using a Resistance A platinum resistance thermometer has a…

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Q: What is the resistance of a silver wire 15 m long at 20 degrees Celsius and whose diameter is…

A: Given that, Length = 15 m Diameter = 0.00085 m Resistivity = 1.6×10-8 Ωm

Q: At 20°C, a 7.5 m long copper wire has a cross-sectional diameter of 1 mm. What is the copper wire's…

A: initial temperature = t1= 20 degree centigrade final temperature = t2= 50 diameter = 2r = 1 mm

Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

A: Let l and d are the length and the diameter of the conductor respectively, σ0 be the conductivity at…

Q: What temperature should a copper wire (which is originally at 20°C) reach to increase its resistance…

A: Solution:- Given that R/R0 =1.12 R/R0 =1+(α×T) 1.12=1+(0.0068×T) T=0.12/0.0068 T=17.65°C

Q: A platinum resistance thermometer has resistances of 200.0 Ω when placed in a 0°C ice bath and 253.8…

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Q: A resistance thermometer using a platinum wire is used to measure the temperature of a liquid. The…

A: Given data: The resistance is R1=2.42 Ω. The resistance is R2=2.98 Ω The thermal coefficient is…

Q: Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.40…

A: mass = volume x density

Q: 50 OMF Vi(t gUomt3 vot) vo Ct) as labeled in Employ Four ier -ba sed techniques to calculate Figure…

A:

Q: The resistance of a resistor at 8 degrees Celsius is given as 47 ohms. Determine the resistance, in…

A: Given Data: The initial resistance is, R = 47 Ω. The initial temperature is, T = 8 °C. The final…

Q: A platinum resistance thermometer has a resistance R0 = 50 Ω at atemperature To of 20 °C. The…

A: The objective of the question is to find the temperature of the liquid tin using the given…

Q: What is the resistance of a copper specimen with an initial resistance of 250 ohms at 30 degrees…

A: Given: Ro=250 ΩTo=30°CT = 48°Cα=1231.6( °C)-1 we have to calculate R at 48°C

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

Q: A copper wire has a resistance of 0.565 N at 20.0°C, and an iron wire has a resistance of 0.597 N at…

A: Given Data: The resistance of the copper wire is R = 0.565 Ω. The resistance of the iron wire is,…

Q: Suppose at 70°C the resistance of a platinum resistance thermometer is 170 Ω. When placed in a…

A: Write the expression for the resistance at a temperature T. RT=R0[1+α(T−T0)] Here, R0 is the initial…