Answered: a. Of what material is a wire made, if…

a. Of what material is a wire made, if it is 10 m long with a diameter of 0.25 mm and has a resistance of 11 Ω at 20 degrees celsius? b. what is it's resistance at 120 degree celsius?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...

See similar textbooks

Related questions

Q: (a) Of what material is a wire made, if it is 20.0 m long with a 0.150 mm diameter and has a…

A: Given: The length of the wire is 20 m. The diameter of the wire is 0.15 mm. The resistance of the…

Q: A 50.0-g sample of a conducting material is all that is available. The resistivity of the material…

A: The given values are,

Q: A wire is 200.0 cm long and has a resistance of 50.0 2. This wire is cut into five equal parts. a.…

Q: 5.0 cm length of a cylindrical copper wire has a radius of 0.01 mm. The resistivity of copper is…

Q: A long wire with a radius of 0.400 cm carries a current. The porential difference across a 3.60 m…

A: Given data: Radius (r) = 0.400 cm = 0.400×10-2 m Length (L) = 3.60 m Potential difference (V) =…

Q: An electrical device with a potential difference of 15 V across its ends provides energy at a rate…

A: Given data: Potential difference (V) = 15 V Power (P) = 723 W Required: Resistance (R) and current…

Q: Two resistors, one having a resistance of 900 kΩ , are connected in series to produce a total…

Q: Suppose you wish to fabricate a uniform wire out of 1.05 g of copper. If the wire is to have a…

A: Given, Mass of the wire = 1.05 g =1.05 ×10-3 kg Resistance of the wire = 0.460 ohm

Q: (a) What is the internal resistance of a 1.54-V dry cell that supplies 1.00 W of power to a 15.0-Ω…

Q: (a) Find the current through the resistor in the figure above. (Take R = 4 Ω.) (b) If the resistor…

A: Given Data Resistance R = 4Ω Voltage Vba = 12V Increased Temperature Tf =1480C The Coefficient of…

Q: a. What is the resistance of a 1500 W (120 V) hair dryer?b. What is the current in the hair dryer…

Q: An electrical device draws 5.50 A at 110 V. (a) If the voltage drops by 10 percent, what will be the…

A: a) The value of the initial resistance is given by, The new current is given by,

Q: A tungsten rod is 65 cm long and has a square cross-sectional area with sides of 1.0 mm. (a) What is…

Q: (a) Of what material is a wire made, if it is 25.0 m long with a 0.100 mm diameter and has a…

Q: A tungsten wire is 28m long and is used in a toaster at 120V. The resistivity of this material is…

Q: A 15 m copper wire has a cross sectional radius of 3mm. (P = 1.68×10^-8 at 20°C and A=0.0068) a.…

A: Given: The length of the wire is 15 m. The radius of the wire is 3 mm. The resistivity of the copper…

Q: Two resistors, one having a resistance of 900 kΩ, are connected in series to produce a total…

A: Let R1 and R2 be the two resistors connected in series. Let Rs be theequivalent reistance of R1 and…

Q: 1. A. Discuss what electric current is with respect to how you understand drift velocity of moving…

Q: Suppose you wish to fabricate a uniform wire out of 1.45 g of copper. If the wire is to have a…

Q: A conducting wire of radius 1 mm is carrying a uniformly distributed current of 50 A. If the…

A: Given: Current, I = 50 Aelectron density, n = 8.1*1028 electrons/m3Radius of wire, r = 1 mm…

Q: (a) What will happen to the material’s resistivity if the resistance is increased? (b) What will…

A: Concept Resistivity is dependent only on the composition of the material and the temperature.

Q: Choose the correct Answer? Q1: The length of copper wire with diameter (1mm), have a resistance of…

A: We know that the resistance of a wire of length L, cross section area A and resistivity ρ, is given…

Q: Two resistors, one having a resistance of 900 kΩ , are connected in series to produce a total…

A: (a) When resistors are connected in series, there resistances adds up Rnet=R1+R2 Rearrange to find…

Q: An insulated extension cord is made of a 1.5-meter long copper rod with a diameter of 2.3…

A: Length of copper wire = Length of almunium wire: l = 1.5 m Diameter of copper rod: dc = 2.3 mm = 2.3…

Q: 1. (a) If 90 C of charge pass through an electric conductor in 30 seconds, determine the current in…

Q: (a) What is the resistance of a 315 Ω, a 2.50 kΩ, and a 4.00 kΩ resistor connected in series? Ω (b)…

Q: Suppose you wish to fabricate a uniform wire from 1.10 g of copper. The wire is to have a resistance…

Q: Two wires A and B of circular cross-section are made of the same metal and have equal lengths, but…

Q: A 660-S2 resistör is (a) What voltage is necessary to cause a current of 0.7 A in the resistor? (b)…

A: Resistance, R = 660 Ω a. Current, I = 0.7 AVoltage, V = ? b. Voltage, V = 19 VCurrent, I = ?

Q: A lab technician is studying the effect of temperature on the resistance of a current carrying wire.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: (a) Of what material is a wire made, if it is 20.0 m long with a 0.110 mm diameter and has a…

Q: between points on the wire that are 46 m apart is 3.7 V. (a) What is the electric field in the wire?…

A: given Current I = 2.5 A Potential difference V = 3.7 V Radius r = 2 mm = 2 × 10-3 m length l = 46 m

Q: A 1.0×10¬3 V/m electric field creates a 2.5x1o17 electrons/s current in a 1.2-mm-diameter aluminum…

Q: Suppose you wish to fabricate a uniform wire from 2.50 g of copper. The wire is to have a resistance…

A: Given information: Here, m is the copper wire’s mass, R is the resistance, ρ is the copper’s…

Q: A 40 W (120 V) lightbulb has a tungsten filament of diameter 0.040 mm. The filament’s operating…

A: Given Data: The power of a lightbulb is, P=40 W The voltage of a lightbulb is, ∆V=120 V The diameter…

Q: (a) Of what material is a wire made, if it is 25.0 m long with a diameter of 0.100 mm and has a…

A: The given values are, L=25.0 md=0.100 mm=0.100×10-3 mR=77.7 Ωr=d2=0.100×10-3 m2=0.050×10-3 m

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

A: The given data are listed below with suitable variables. Here, L denotes the wire’s length, R…

Q: Part A What is the resistance of A 1.0-m-long gold wire that is 0.50 mm in diameter? Express your…

Concept explainers

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.

Question

a. Of what material is a wire made, if it is 10 m long with a diameter of 0.25 mm and has a resistance of 11 Ω at 20 degrees celsius?

b. what is it's resistance at 120 degree celsius?

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 with 2 images

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, physics and related others by exploring similar questions and additional content below.

Similar questions

A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the weight if the wire was made of copper? (b) What is the weight of a 10.00-meter-long wire of the same gauge made of aluminum? (c)What is the resistance of the aluminum wire? The density of copper is 8960 kg/m3 and the density of aluminum is 2760 kg/m3.
An aluminum wire 1.628 mm in diameter (14-gauge) carries a current of 3.00 amps, (a) What is the absolute value of the charge density in the wire? (b) What is the drift velocity of the electrons? (c) What would be the drift velocity if the same gauge copper were used instead of aluminum? The density of copper is 8.96 g/cm3 and thedensity of aluminum is 2.70 g/cm3. The molar mass ofaluminum is 26.98 g/mol and the molar mass of copper is 63.5 g/mol. Assume each atom of metal contributes one free electron.
A 15 m copper wire has a cross sectional radius of 3mm. (P = 1.68×10^-8 at 20°C and A=0.0068) a. What is the resistance of the wire? b. What is the resistance at 50°C?
A section of iron wire having a diameter of 0.030 inch is measured to have a resistance of 2500 Ω (at a temperature of 20°C).a. Determine the cross-sectional area in square meters and in square millimeters.(Note: 1 inch = 2.54 cm = 25.4 mm)b. Calculate the length of the wire in meters.
A 40 W (120 V) lightbulb has a tungsten filament of diameter 0.040 mm. The filament’s operating temperature is 1500°C.a. How long is the filament?b. What is the resistance of the filament at 20°C?
a. How much work is done by a 12-V automobile battery in moving 5 x 1020 electrons from the positive terminal to the negative terminal? b. The tungsten filament in an incandescent lamp has a resistance of 9.8 ohm at a room temperature of and a resistance of 132 ohm at normal operating temperature. Calculate the temperature of the heated filament. ∝20℃=0.0045/℃
a. What diameter of copper wire [p = 2.65 x 10^-8 ohm.m) should be used so that a 22.0 m length will have a resistance of 0.39 ohm? b. Find the temperature coefficient of resistivity for this wire if an increase in temperance of 120 degree C changes the resistance from 0.39 ohm to 0.62 ohm.
1. Solve the following resistance problems: a. A 4.2 cm long copper wire has a cross-sectional area of 3.7 mm2. Determine the resistance of that wire. Check the resistivity of copper int the table given in the textbook. (1.72 x 10) b. Consider a 1.6 cm long silver wire. What is the cross-sectional area of the wire for it to have a resistance of 2.2 x 10-2 Q.
3. A wire is 200.0 cm long and has a resistance of 50.0 Q. This wire is cut into five equal parts. What is the resistance of each piece of wire? b. If the five parts were bundled together, what is the resistance of the resulting wire? a.
1. A wire 300 m long has a resistance of 1.18 Ω and a cross-sectional area of 14 mm2. Of what material is the wire made? 2. A 50 m long wire with a cross-sectional area of 5.5 mm2 has a resistance of 31 Ω at 0 °C. Calculate the resistivity of the wire at 60 °C if the temperature coefficient of resistance at 0 °C is 0.0003 per °C.
b. A certain wire has a resistance of 100 Q. At what point along the length must the wire be cut so that the resistance of one piece is 8 times the resistance of the other? Calculate the resistance of each piece?
a. Suppose a cylindrical wire is 1.00 meters #4 Resistance and Ohm's Law in length with a radius of 0.100 millimeters. If the wire is composed of an alloy of uniform composition with a resistivity of 2.15 x 10-7 2. m, what is the resistance of the wire? b. Suppose three identical wires as described in part (a) Are connected in series. What is the equivalent resistance of this series combination? Suppose a potential difference of 9.00 V is placed across this combination of wires. What current flows through the three wire that have been joined in series? How much power in Watts is dissipated in total in the three wires? c. Suppose three identical wires, again as described in part (a), are connected in parallel. What is the equivalent resistance of this parallel configuration? Again, a 9.00 V potential difference is placed across the combination of wires connected in parallel. How much current flows through each of the three identical wires, and how much current flows through the…