Solve the following problems and show your solution. 1. A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its resistance at100°C if the temperature coefficient of resistance of aluminum at 0°C is 0.0038/°c.2. A coil of copper wire has a resistance of 20 at 18°C. If the temperature coefficient of resistance ofcopper at 18°C is 0.004/°C, determine the resistance of the coil when the temperature rises to 98°C?

Answered: 1. A coil of aluminum wire has a…

1. A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its resistance at 100°C if the temperature coefficient of resistance of aluminum at 0°C is 0.0038/°C.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

See similar textbooks

Related questions

Q: The length and diameter of a copper wire are found to be 100 and 0.002 m, respectively. Consider…

A: In this question , we have to find out resistnace of copper wire..Given length, diameter and…

Q: H.W. 1.3: At 0 C°, a specimen of copper wire has its resistance equal to 4-milliohm and its…

A: At 0 °C resistance Ro = 4m ohm Temperatures Coefficient α= 1/234.5 /°C Find the value of resistance…

Q: 1. A l-m length of wire is found to have a resistance of 25 ohms. If the diameter of the wire is I…

A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…

Q: Determine the thermal coefficient of resistance of copper at 500C, then use this value to determine…

Q: An annealed copper wire, 2-km long, is being used as conductor in an electrical system in an…

A: Given, Length of the annealed copper wire = 2 km=2000 m Temperature = 38°C Diameter of wire = 0.65…

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

A: In this question 1, we have to define materials classification based on conductivity.... Note:- Due…

Q: Find the resistance of an aluminum wire that has a length of 1000 m and a diameter of 1.626 mm. The…

A: Let's find the resistance of the given copper using the physical relationship between the material…

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: The resistance of a wire conductor at 30 ∘ C is 50 ohms. Find the temperature of the conductor if…

A: By temperature coefficient of resistance for any substance, we mean the change in the value of…

Q: The temperature coefficient of resistivity of carbon is -0.0005/C°. If the resistor is made of…

Q: 1. An aluminum wire has a resistance of 80 ohms at 30 degree Celsius. Determine its resistance when…

A: We need to find out resistance at given temperature of aluminium

Q: A two wires, one of Copper and the other of Nickel, if the resistance of the first is (12.7 0), and…

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

A: The value of resistance increased will demand more voltage drop for the same amount of current flow…

Q: Calculate the resistance of 100 meters length of a wire having a uniform cross- sectional area of…

A: We have to find the resistance of the wire by considering all the parameters given in the questions.

Q: A coil of aluminium wire has a resistance of 50 Q when its temperature is 0°C. Determine its…

A: we need to determine resistance at 1000c.

Q: A coil of copper wire has a resistance of 20 at 18°C. If the temperature coefficient of resistance…

A: To solve the above problem, one should know about the resistance calculation of a material. The…

Q: A resistance oven employing nichrome wire is to be operated from 220 V single phase supply and is to…

Q: Find the conductance of 100 ft of No. 15 AWG iron wire, which has a diameter of 64 mils. The…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Home work: A current of 0.75 A is passed through a coil of nichrome wire which has a cross sectional…

Q: A carbon resistor has a resistance of 1 kΩ at 0°C. Determine its resistance, in ohms, at 80°C.…

A: A carbon resistor has a resistance of 1 kΩ at 0°C. Determine its resistance, in ohms, at 80°C.…

Q: 4. Calculate the resistance of a 100 m length of wire having a uniform cross - sectional area of…

Q: the resistance of a copper wire at 30 c is 50 ohms. if the temperature coefficient at 0 c is…

A: Answer : The given parameters are as follows :- R30°=50 Ω temperature coefficient (α) = 0.00427…

Q: 7. What is the value of the diameter in millimeter of a certain wire having a resistance of 0.56 0,…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.

Q: b. A heater coil is made using a material of cross section 3x10-6m2 and a resistivity of 4 x10-7Q-m.…

A: I) P = V^2 / R Given P = 4550 W. V= 50V R= resistance of heater coil 4550 = (50)^2 / R R =…

Q: Calculate the resistance of a 100 m length of wire having a uniform cross – sectional area of 0.02…

Q: Q1) A silver wire has conductance of 0.25 Siemens. What will be the resistance of a copper wire…

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: Find the resistance of an aluminum wire that has a length of 1000 m and a diameter of 1.626 mm. The…

A: Write the given values. L=1000 mD=1.626 mm=1.626×10-3 mρ=2.825×10-8 Ωm

Q: The resistance of a wire conductor at 30∘C is 50 ohms. Find the temperature of the conductor if the…

A: The resistance at given temperature is calculated as RT2 = RT11+αT2-T1where,RT2 is resistance at…

Q: The length and diameter of a copper wire are found to be 100 and 0.002 m, respectively. Consider…

A: Given: l=100 m d=0.002 m resistivity=1.72 x 10^-4 ohm -m Formula used: ζ=π.D.D.R4.l

Q: Find the resistance at 350C of an aluminum wire that has a length of 200 m and a diameter of 1 mm

A: It is given that: length=l=200 mdiameter=d=1 mm=1×10-3 mtemperature=T=35°Cand radius=d2=0.5×10-3 m

Q: A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its resistance…

Q: how much length must be cut off from the wire in order to reduce its resistance to 12.5 ohms.

A: Given, Resistance of a wire is 17.5 ohm, if its length is 560 m. Let, to reduce the resistance of…

Q: DETERMINE THE RESISTANCE OF 600 FT LENGTH OF #10 AWG COPPER WIRE

A: Given, Length of copper wire, l=600 ft=600×304.8 mm=182880 mm For 10 AWG, diameter d=2.59 mm

Q: A coil of aluminium wire has a resistance of 50 2 when its temperature is 0°C. Determine its…

A: Given: A coil of aluminium wire has, Resistance, Ro=50 ΩTemperature, T1=0 °CResistance,…

Q: The length and diameter of a copper wire are found to be 100 and 0.002 m. respectively. Consider…

A: In this question , copper wire length ,diameter and resistivity is given ..We have to find out…

Q: q25/a Write the features of Air circuit breaker and mention its application.

A: The feature of Air circuit breaker is as follows: Air circuit breakers work with their contacts in…

Q: Find the resistance of an aluminum wire that has a length of 1000 m and a diameter of 1.626 mm. The…

A: In this question we need to find a resistance of the wire .

Q: Problem 13. Some copper wire has a resistance of 200 2 at 20°C. A current is passed through the wire…

Q: 3)The resistance of semiconductor decreases with increase in temperature Select one: True False

A: Given question is about the semiconductor resistance effect with temperature.

Q: ve realtive relations between and relative parameters for the following: 1.) ohmic resistance 2.)…

A: 1. Ohmic resistance in relation to ballistic transport : Ballistic transport is also known as…

Q: Find the resistance of a piece of 8 AWG lead wire 600ft long. Consider the temperature to be 20…

Q: Aluminum coil has a resistance of 8.216 ohms at 70-degree Celsius and 9.615 ohms at 130-degree…

Q: Determine the resistance of a bus bar made of aluminum at 50°C if the length is 15 meters long and…

A: to determine the resistance of a bus bar made of aluminum at 50°C if the length is 15 meters long…

Q: The length and diameter of a copper wire are found to be 100 and 0.002 m, respectively. Consider…

Q: Find the resistance of an aluminunm wire that has a length of 1000 m and a diameter of 1.626 mm. The…

Q: 7. What is the value of the diameter in millimeter of a certain wire having a resistance of 0.56 Q,…

Q: Y A Copper wire with (32.3 m) Long, Fhe cross-sectional area (5 mm?) and the resistance is (120 r)…

Question

Solve the following problems and show your solution.

1. A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its resistance at
100°C if the temperature coefficient of resistance of aluminum at 0°C is 0.0038/°c.
2. A coil of copper wire has a resistance of 20 at 18°C. If the temperature coefficient of resistance of
copper at 18°C is 0.004/°C, determine the resistance of the coil when the temperature rises to 98°C?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in un-cm? 11) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C?
A two wires, one of Copper and the other of Nickel, if the resistance of the first is (12.7 Q), and the second is (11.6 0) at room temperature, at what temperature are their resistances equal? Note that the temperature coefficient of resistivity of Copper is (0.0039 C-1), and for Nickel it is equal to (0.006 C1).
c) A platinum coil has a resistance of 3.146 at 40°C and 3.767 at 100°C. Find the resistance at 0°C and the temperature -coefficient of resistance at 40°C.
Determine the thermal coefficient of resistance of copper at 50°C, then use this value todetermine the resistance of copper wire at 170° if the resistance of this copper wire at 50°C is50ohms. The thermal coefficient of resistance of copper at O°C is 0.004264/C°
10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in uQ-cm?
a) A coil consist of 2000 turns of copper wire having a cross sectional area of 0.8mm?. The mean length per turn is 80 cm and the resistivity of copper is 0.02µN-m. Find the resistance of the coil and power absorbed by the coil when connected across 110V D.C supply.
Ferromagnetic materials have this characteristic. A. A relative permeability slightly less than one. B. A relative permeability slightly greater than one. C. A very high resistivity. D. A high relative permeability.
A resistor has a resistance of 43.6 ohm at 20°C and 50.8 ohm at 60°C. Determine the temperature coefficient of resistance of aluminium at 0°C, its resistance at 0°C and at 40°C.
A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in u0-cm?
A machine coil has a resistance of 46 ohms at 25 degrees celsius. Its temperature coefficient of resistance is 0.0045454 at 20 degrees celsius. At what temperature will its resistance be at 105 ohms
10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in un-cm? www
Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of nichrome alloy, 0.025 cm think. If the width of the ribbon is 0.3cm, what length is required per element in cm? Assume specific resistance of nichrome alloy to be 109microOhm-cm.