The resistance of a wire varies directly with its length and inversely with its area. If a certain piece of wire 10 m long and 0.10 cm indiameter has a resistance of 100 ohms, what will its resistance be if it is uniformly stretched so that its length becomes 12 m?A) 144B) 90C) 80(D) 120

Given: Resistance∞LengthArea R*A/L = Constant Length, L1=10=1000 cm Diameter, D1=0.10 cm Resistance,…

Answered: The resistance of a wire varies…

Engineering

Civil Engineering

The resistance of a wire varies directly with its length and inversely with its area.

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter4: Test And Measurement Instruments Used In Residential Wiring

Section: Chapter Questions

Problem 13RQ

See similar textbooks

Related questions

Q: P A B 1m E 1m 2m The simply supported beam shown has a solid rectangular cross section having beam…

A: b = 130 mm h = 200 mm P = 25 KN w = 30 KN/m

Q: Reynolds Number Observation The Discussion 1- Draw a chart with the volumetric flows on the x-axis…

A: Note- Hi! Thank you for the question, As per the honor code, we are allowed to answer three…

Q: 1 km railway track, if sleeper density is (n+4) Calculate the number of sleepers required for for…

A: Sleeper is used in railways to transfer the load from rail to the ballast section. Sleeper may be of…

Q: e truck consists of 750 m of three strand medium voltage a 195amp capacity at 90°C, weighing…

A: Given:- W=927kg/m steel weight =350kg To find:- weight supported by hook

Q: Estimate the constant rate of withdrawal from a 1375 hectare reservoir in a month of 30 days during…

Q: An ascending gradient of 1 in 100 meets a descending gradient of 1 in 120. A summit curve is to be…

A: Given data, Design speed = 100 kmph Stopping sight distance=220 m to find the length of summit…

Q: SIZE : 300 mm. x 300 mm. MAIN BARS: 8-20 MM. Ø BARS. TIES: 3 TIES AT 10 MM. Ø 3 @ 50,5 @ 100, 7 @…

A: The drawing with proper details and dimensions are as given below:

Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s? .How long will it take…

A: Introduction : The given question is related with mechanics . In this question we are provided with…

Q: give a summary of learning in the analysis of beams under Ultimate Strength Design and how is it…

A: The ultimate strength method provides the actual stress-strain relations of concrete and steel, up…

Q: A wastewater stream A with 200 m3 /h of flow rate an mixes with stream B having flow rate of 400m3/h…

Q: 120 mm 100 mm A load P =40 kN axial load is applied to a short wooden post that is supported by a…

Q: The following table shows the results obtained from Wash Test done on samples of fine aggregates.…

A: Given data of Wash Test :- Weight (gms) Empty pan 96 Before washing:- Pan+Dry…

Q: Problem 3. A pumping well (black circle) is placed in the middle of a contaminant plume (grey…

Q: Determine the shear value (kN) when x = 3m from the left side of the beam where: L = 5.9 m; Wo = 128…

A: step 1-

Q: A pipe discharges 150liters/sec of water into a reservoir at a point 1.80m below the water surface.…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

Q: m. Assume atmospheric pressure of 101.3 kN/m2 For the siphon shown in figure below, the maximum…

A: Given data,

Q: Draw the deformation shape 20 kN 4 m 12 kN/m A 5 m 5 m 10 kN 5 m D 8 m

A: Only deformation diagram is attached as per asked details.

Q: 140 mm 140 mm A centric load P is applied to the granite block shown. Knowing that the resulting…

Q: Determine the maximum shear and maximum moment of a 60-m bridge AB due to the passage of the six…

Q: what is your idea of sustainable development in designing and constructing buildings when applied to…

A: Buildings all across the country consume a range of resources (energy, water, materials, and so on),…

Q: STATICS OF RIGID BODIES Three wheel loads rail as a unit across a 12m span. The loads are A-10kn,…

Q: Using the Moment Distribution Method, kindly solve for the reactions of the beam below Given Values:…

A: Given, There is a continuous beam given in the question. Our aim is to determine the support…

Q: A cylindrical vessel 4-ft in diameter and 6-ft high has a round-edged orifice 2” in diameter in the…

Q: 20KN/m 15KN/m 45kNem 10KN/m tm 4 3 2.5 3.5

Q: A, B and C are three known control stations and P is the position of a sounding vessel which is to…

Q: In terms of site design and development,

A: Civil engineers investigate the challenges of your project and find solutions to allow it to move…

Q: 1.Two hills A and C have elevations of 600 and 800m respectively. In between A and C is another hill…

A: Given, Elevations h1A=600 mh2C=800 m D1=12 km=12000 mD2=10 km=10000 mB=720 m

Q: The magnetic declination in a locality is 5°45'W. Determine the true bearing and true azimuths…

A: IF the magnetic declination at a place at the time of observation is known, the true bearing of a…

Q: Situation 2: A two-span continuous beams is subjected to 5 kN/m dead load and 4 kN/m live load. The…

Q: A specimen of rock was subjected to a compressive force of (10 kN) which tends an axial deformation…

A: Given data: compressive force = 10 kN axial deformation = 0.01 mm lateral deformation = 0.001 mm…

Q: Q.14 In the context of elastic theory of reinforced concrete, the modular ratio is defined as the…

A: modular ratio,m=EsEcwhere,Es=young modulus of steelEc=young modulus of concrete

Q: 11.10 (A/B). A load of 2 kN falls through 25 mm on to a stop at the end of a vertical bar 4 m long,…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

Q: Q.14 In the context of elastic theory of reinforced concrete, the modular ratio is defined as the…

Q: 5 kg of soil is at natural water content of 3%. How much water (in ml, upto one decimal place)…

A: Given data in question Water content Weight of soil To find out How much water is to be added

Q: Given data : Stress =4 N/mm2 Area=4 mm2 Find Tensile load

Q: A hydraulic jump is designed to occur in a rectangular open channel . The ratio of the sequent water…

Q: Why do surveyors measure angles using both faces of a total station (i.e., direct and reversed)?

A: total station- It is a modern surveying instrument. It integrates an electronic theodolite with an…

Q: able load (in KN) if the column is fixed at both ends ar ty factor of 1.7 (4sigs) e buckled shape…

A: Given:- outside dimensions=200mm x 250mm E=205GPa To find:- a) allowable load b) sketch buckled…

Q: QUESTION 11 Match the following are mistakes, systematic errors, or random errors. The answer might…

A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

Q: 4.11 A solid cylinder of circular section of diameter d is of material with specific gravity S This…

Q: d (mm) P(kN) Q(N) Oallow (MPa) s (%) 20 18 80 12 40 1 (a) The structure shown in Figure Q3 is…

Q: The deflection angles from PC of two intermediate points A and B on a simple curve are 3°15' and…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

Q: Determine the safety factor of a retaining wall (Concrete Density: 150 pcf, Soil Density: 120 pcf,…

Q: torsional strain energy of a solid circular shaft

A: To prove the torsional strain energy of a solid circular shaft transmitting power at a constant…

Q: The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and…

Q: 6. Theodolite is an instrument used for measurement of ro(a) Both horizontal and vertical angles (b)…

A: Brief concept introduction- Theodolite- It is a surveying instrument. It has a rotating telescope…

Q: Determine the force in members GJ, GI and HI of the truss shown. Use method of joints.

Q: A boy is playing on a playground ride as shown below. The boy is holding onto a rope as the platform…

Q: Find the value of modulus of elasticity if bulk modulus is 62 MPa and poisson ratio is 0.42

Q: 6. Determine the support reactions of the plane frame as shown in Figure 6 (Answer for P=5, Ro=98.25…

A: Support reactions- A support reaction is a force that is applied to a support or a resultant…

Concept explainers

Electric Circuit and Components

An electrical circuit or electrical network is a pre-determined pathway to make the electrons flow in the desired direction. The flow of electrons will set up a current flow in the circuit. Normally, the flow of electrical current is opposite to the flow of electrons. An electron is a fundamental sub-atomic particle of an atom possessing a negative charge. To initiate the flow of current and achieve the desired output, the electrical circuit should necessarily be composed of closed pathways. The pathways are made-up of good conductors of electricity such as aluminium and copper.

Question

The resistance of a wire varies directly with its length and inversely with its area. If a certain piece of wire 10 m long and 0.10 cm in
diameter has a resistance of 100 ohms, what will its resistance be if it is uniformly stretched so that its length becomes 12 m?
A) 144
B) 90
C) 80
(D) 120

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 by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Calculate the change in 5 m long copper wire when its temperature changes by 60∘C. State your assumptions if there are any.
The electric resistance of a light bulb is 145 Ω . Determine the value of currentflowing through the lamp when it is connected to a 120-volt source.Using Ohm’s law, as shown , we have V = RI I = V/R = 120/145 = 0.83 A
A steel tape with a coefficient of thermal expansion of 0.0000116/°C is known to be 50 m long at 20°C. The tape was used to measure a line that is 642.90 m long when the temperature was 35ºC. a) Calculate the temperature correction per tape length. b) Calculate the correction for the measured line. c) Calculate the correct length of the measured line.
A steel tape with a coefficient of linear expansion of 0.0000116/1°C is known to be 75-m long at 35°C. The tape was used to measure a line which was found to be 532.28 meters long when the temperature was 48°C. Determine the following: a) Temperature correction per tape length b) Temperature correction for the measured line c) Correct length of the line
A steel tape with a coefficient of linear expansion of 0.0000116/oC is know to be 50m long at 20oC. The tape was used to measure a line which was found to be 532.28 meters long when the temperature was 35oC. Determine the following:a) Temperature correction per tape length.b) Temperature correction for the measured line.c) Correct length of the line.
Calculate the capillary rise in a glass tube of 2.5mm diameter when immersed vertically in a) water ; b) mercury. Take the surface tension equal to 0.0725N/m for water and 0.52N/m for mercury in contact with air. The angle of contact is 130°.
A steel tape with a coefficient of linear expansion of 0.0000116 per degree centigrade is known to be 50 m. Long at 20℃. The tape was used to measure a line which was found to be 532.28 meters long when the temperature was 35℃. Determine the following: Temperature correction per tape length. Temperature correction Corrected length of the line.
A double-pane glass window consists of two pieces of glass, each having athickness of 8 mm, with a thermal conductivity of k = 1.4 W⁄m ⋅ K . The twoglass panes are separated by an air gap of 10 mm, as shown in Figure 11.10 .Assuming the thermal conductivity of air to be k = 0.025 W⁄m ⋅ K , determinethe total R-value for this window. The total thermal resistance of the window is obtained by adding the resistance offered by each pane of glass and the air gap in the following manner:
⦁ A steel tape with coefficient of linear expansion of 0.0000116/0 C is known to be 50 m long at 20 C. The tape was used to measure a line, when the temperature was 30 C. If the corrected distance was found to be 582.424m., Find the measured distance.
Calculate the change in a 5-m long copper wire when its temperature changes by 120 oF. Thecoefficient of thermal expansion for copper is approximately 17 x 10-61/oC. Express your answerin SI units.
In a parallel electrical circuit, the total current is the sum of the individualcurrents. An air conditioner has a blower and a compressor that are wired ina parallel circuit. The blower draws 1.042 amperes and the compressor draws11.95 amperes of current. When both are operating, what is the total currentdrawn?
A long steel I-beam used in bridge construction has a length of 15.0 m. The beam may be exposed to temperatures as low as −22°C in the winter and as high as 33°C in the summer. What is the difference in length of the beam between these two temperature extremes? (Give the absolute value of the difference. Enter your answer in mm.)