A copper wire has a resistance of 0.85 ohm at 200C. What will be its resistance at 400C ? Temperature coefficient of resistance of copper at 00C is 0.004/0C.

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: Determine the thermal coefficient of resistance of copper at 50°C, then use this value to determine…

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Q: wopper conductor (for copper conductivity- 59 77- 10 S/m and electron mobility 4.5 10 m/V.s) ?

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Q: The resistance of a silver wire is 0.1 at 20C. At what temperature will its resistance decrease by…

A: Given; Ri=0.1 ΩRf=0.25×0.1=0.025 ΩT=20° Cα=0.0038 /°C

Q: The resistance of a wire is 126.48 ohms at 100 °C and 100 ohms at 30 °C. Determine the temperature…

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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: A strand of wire has resistance 60-ohms. Find the net resistance of 25 such strands (in ohms) if…

A: This question belongs to circuit theory . It is based on the concept of parallel combination of…

Q: What is the resistance of a copper specimen with an initial resistance of 250 ohms at 38 degrees…

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Q: 7. A certain cooper wire has a resistance of 25 ohms at 10°C. Take the temperature coefficient at…

A: This question belongs to electrical circuit theory.  It is based on the concept of relation between…

Q: O A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its…

A: From the question, it is given that:  Conductivity σ=98%Temperature T=20°CWe know that the…

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: 1- In your own words, describe the classification of materials according to conductivity, with…

A: Note :  According to the company guidelines we can answer first question.   Here they are interested…

Q: The resistance of the wire is 126.48-N at 1000C and 100-2 at 300C. Determine the temperature…

A: Given data: R100° C=126.48 ΩR30° C=100 ΩΔT1=100° CΔT2=30° C The expression for the temperature…

Q: Give five factors that affect electrical conductivity and why.

A: The movement of electrons is the foundation of electrical conductivity. Because they let electrons…

Q: What is the resistance of a copper bus-bar with the dimensions shown figure below

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Q: 1) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is…

A: In this question,  Find the resistance R at T= 100°C If temperature coefficient = 0.00427 at 0°C…

Q: a copper conductor has its specific resistance of 1.6 x 10^-16 ohm-cm at 0°C . Find (a) specific…

A: Given The specific resistance of copper at 0oC=1.6×10-16 Ω-cm Let supose,  The resistance…

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: The resistance of an aluminum wire is 2.4N at -5°C. At what temperature (°C) will it be when the…

A: We need to find out the temperature for given resistor value .

Q: 9) If two identical 3A, 100 Norton's equivalent circuits are connected in parallel with like…

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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: What is the resistance of a platinum resistor at 480 degrees C, if its resistance at 16 degrees C is…

A: Given  Resistance at 16 degrees=110 ohms  Coefficient =0.00385  We need to find the resistance at…

Q: Determine the thermal coefficient of resistance of copper at 50°C, then use this value to determine…

A: Given:- T1=50oCT2=170oCR1=50 Ωαo=0.004264/CoThen αT1=?and R2=?

Q: the resistance of copper wire with a=0.00393/C is 183ohms at 46C, its resistance would be about

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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: The resistance of tunsgten filament at 1750c° is 4ohm. Find the resistance of the filament at…

A: It is given that: T1=1750°C=1750+273=2023 KR1750=4 ΩT2=20°C=20+273=293 Kα=6×10-3 /K

Q: An air gap has a length of 0.1 cm. What length of iron core has the same reluctance as the air gap?…

A: Concept: An air gap, air wall, air gapping or disconnected network which is a network security…

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: The resistance of wire increases from 40 – ohm at 20 0C to 50 – ohm at 70 0C. Find the temperature…

A: Write the given values in the question. R20=40 ΩR70=50 ΩT20=20° CT70=70° C

Q: The temperature coefficient of resistance at 30°C of a conductor is 0.003759. If it has a resistance…

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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 the wire increases from 40W at 10°C to 48.25W at 60°C. Find the temperature…

A: Considering the unit of the resistance as ohm instead of W. Given Data: R1 = 40 ohm T1 = 10 C R2 =…

Q: A carbon resistor has a resistance of 500 2 and 488 2 at 0°C and 50°C. respectively. Determine the…

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Q: A coil of copper wire has resistance of 90 Ω at 20°C and is connected to a 230- V supply. By how…

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Q: A piece of silver wire has a resistance of 1 ohm. Determine the resistance of a lead wire one-third…

A: In this question we will find resistance of lead wire while resistance of silver is given...

Q: certain cooper wire has a resistance of 25 ohms at 10°C. Take the temperature coefficient at

A: For a conductor, the value of resistance increases as the temperature increases.

Q: nichrome ribbon resistor elements each has a resistance of 1 ohm. the element is made from sheet of…

A: Given that  Resistance of nichrome ribbon resistor elements  is 1 ohm Thickness of nichrome…

Q: A conducting wire has a resistance of 5 ohm. What is the resistance of other wire of the same…

A: Given, A conducting wire has a resistance of 5 ohm. Other wire of the same material but having half…

Q: A-How temperature affects the conductivity of conductive metals and how it affects semiconductors.…

A: with change in the temperature, the value of the resistance of the material changes and thus the…

Q: 3. The resistance of a copper wire at 70°C is 150 ohms. If the temperature coefficient of a copper…

A: In this question we will find resistance at given temperature...

Q: Determine the resistance and conductance of 20m of copper wire 2mm in diameter. P= 1-72 x10 S

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Q: A No. 14 AWG standard annealed copper wire is 0.003 23 in? in cross section and has a resistance of…

A: Given that material of 14AWG and 6AWG conductor are same. Given values of 14AWG conductor are -…

Q: The resistance of a copper wire is 125 ohms at 100°C. Determine the resistance at 70°C

A: In this question , resistance of copper wire is given at 100 degree centigrade....We have to find…

Q: A conductive wire has a resistance of 5.5Ω at 15 ºC and a resistance of 6.8Ω at 70 C. Find the…

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Q: You are given two metal samples. The first one is pure and the other one is unrefined. Will there be…

A: Semiconductor devices are used nowadays very widely. They use silicon- and germanium-based devices.…

Q: Compare the dependence on temperature for electrical conductivity in metals and semiconductors…

A: Electrical Conductivity of Metal is defined as: In case of metals electrical conductivity is…

Q: The resistance of a wire is 126.48 ohms at 1000C  and 100 ohms at 300C. The temperature coefficient…

A: R=Rref[1+α(T-Tref)]   --------- equation 1R=126.48 ohmRref=100 ohmT=100oCTref=30oC

Q: A silver wire has conductance of 0.25 Siemens. What will be the resistance of a copper wire having a…

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.