A negligibly small current is passed through a wire of length 15 m and uniform crosssection 6.0 x 10-7 m2, and its resistance is measured to be 5.0 2. What is the resistivity of the material at the temperature of the experiment?

A negligibly small current is passed through a wire of length 15 m and uniform crosssection 6.0 x 10-7 m2, and its resistance is measured to be 5.0 2. What is the resistivity of the material at the temperature of the experiment?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 81CP: A 10-gauge copper wire has a cross-sectional area A=5.26mm2 and carries a current of I=5.00A . The...

See similar textbooks

Related questions

Q: terial of resistivity 340000 · m into a shape of a hollow cylindrical shell of length 3 cm and inner…

Q: A student performs an experiment to determine the resistance of a resistor. She takes voltage versus…

A: Slope of best line, R1 = 15.2Ω Slope of worst line, R2 = 14.2Ω

Q: as part of a lecture demonstration, a physics professor plans to hold an ununsulated current…

Q: 6. A negligibly small current is passed through a wire of length 15 m and uniform cross-section…

A: Given: The length of th wire is 15 m. The cross-section area of the wire is 6x10-7 m2. The…

Q: Given that the density of aluminum is 2.7x103 kg/m , find the drift speed of the conduction…

Q: For the current density J = 10z sin² øa, A/m², find the current through the cylindrical surface p=…

Q: At what temperature will silver have a resistivity that is two times the resistivity of iron at room…

A: The resistivity of silver is calculated as, Rt = R0[1+α(T-T0)] Here, Rt is the resistivity…

Q: s part of a lecture demonstration, a physics professor plans to hold an uninsulated current-carrying…

Q: The resistance of a wire is given by R = Ro[1+ a(T – T.)] where T. - 20 °C, R. = 6 N ± 0.3 % is the…

A: Formula for resistance; Base temperature Resistance at base temperature Temperature coefficient…

Q: Nichrome alloy has a resistivity of 110 × 10−6 Ωcm. From a roll of nichrome wire of 2.5 mmdiameter,…

A: Given, Resistivity ρ=110×10-6 ohm cm diameter=2.5 mm radius r=1.25 mm L=1 Area of the roll of…

Q: A negligibly small current is passed through a wire of length 15 m and uniform cross-section 6.0 ×…

A: Given: Length of the wire, L = 15 m Area of crossection of the wire, A = 6 x 10-7 m2 Resistance of…

Q: A metal object having a length (10m), cross section area (0.5 mm2), and resistance (0.52) is…

A: Thermal velocity is given by, Vth=3 KTmnWhere K is Bottzmann constant =1.38×10-23 m2kg…

Q: In the Specific Charge of Copper experiment, if the measured value of the current is always greater…

Q: Consider the following scenario: An engineering student measures the resistivity of a particular…

A: We know the resistance and resistivity of a material are related in the following manner :-…

Q: Calculate the mobility of electrons [cm²/V.sec.] of n-type material having resistivity of 0.5 22- m.…

A: Number of donor, n = 3×1019 /m³ Resistivity, ρ = 0.5 Ω-m Mobility, μ = ?

Q: 3. (a) A 34.5-m length of copper wire at 20.0°C has a radius of 0.25 mm. If a potential difference…

A: Given: Potential difference, ΔV = 9.00 V Length of copper wire, L = 34.5 m Radius of copper wire, r…

Q: e clear and step by step solution A certain waffle iron is carrying 8.33A when connected to a…

A: GivenI=8.33 AV=120 V

Q: In the Specific Charge of Copper experiment, if the measured value of the current is always smaller…

A: In Specific charge experiment, the slope of the graph is expressed in C/kg.

Q: An electric toaster uses nichrome for its heating element. When a negligibly small current passes…

A: Given:- Ro = 75.3 Ω I = 2.68 A V = 230 V α = 1.70 x 10-4 oC-1

Q: In the Specific Charge of Copper experiment, if the measured value of the current is always smaller…

A: Specific charge of copper = It/Δm Given: measured value of current is always less than true value.

Q: A material is inserted between a pair of concentric metallic cylinders of radii a and b where b > a…

A: Resistance is given by:R=ρ×LAwhere ρ is resistivity of the materialL, is the length of the material…

Q: Nichrome alloy has a resistivity of 110 × 10−6 Ωcm. From a roll of nichrome wire of 2.5 mm diameter,…

Q: In a normal conductor heat is generated at a rate I 2R. Therefore a current-carrying conductor must…

A: Heat generation rate is P = I 2R Resistivity of the wire is p = 1.72 x 10-8 Ω*m Diameter of the…

Q: If the dark saturation current of a solar cell is 1.7X108 A/m², the cell temperature is 27 °C, and…

A: If the dark saturation current of a solar cell is 1.7X10-8 A/m², the cell temperature is 27 °C, and…

Q: Consider a resistor of resistivity 3.89 × 10-5 Ω • m, length 15.21 m, and unknown cross-sectional…

Q: A nichrome rod of length LN = 78 cm is connected in series (end to end) to a carbon rod of length LC…

Q: Nichrome alloy has a resistivity of 110 × 10^−6 Ωcm. From a roll of nichrome wire of 2.5 mm…

A: Resistance is the property of an object to oppose the flow of current in it. Conductance is the…

Q: 38 Ω 28 Q +4.8V 80 Q

A: Power = current * potential difference Therefore, first we need to determine current in circuit,…

Q: determine the drift velocity, in mm/s, of the free electron constituting the current.

A: Given: Resistivity of resistor, ρ=3.83×10-8Ωm Electric field, E=18V/m Electron per volume is,…

Q: A negligibly small current is passed through a wire of length 15 m and uniform cross- section 6.0 x…

Q: k 34. Translate "The current (x) in a wire varies directly as the potential energy (P) and inversely…

A: solution as

Q: An electric eel develops a potential difference of 450 V, driving a current of 0.80 A for a 1.0 ms…

A: Given values: Potential difference, V=450 V Driving current, I=0.80 A Duration of pulse, t=1.0 ms

Q: A new material is found to be superconducting below 77 K. How much resistance will a 75 mm long…

A: Given A new material is found to be superconducting below 77 K, 75 mm long temperature of 69.3 K…

Q: A wire is 1m long and 1x10–6 m2 in cross-sectional area. When connected to a potential difference of…

Q: Q2:- A potential difference of 15 V is applied longitudinally to a rectangular specimen of intrinsic…

A: Given Data: Potential difference ( V ) = 15 V length = 3 cm, width = 0.5 cm, thickness = 0.2 cm…

Q: Consider the two cylindrical wires of lengths l1=4.5m and 2-3.3m are merged back to back as shown in…

Q: A resistor composed of carbon =(p=3.5*10^5 Ω*m) having a radius of 1.2mm and a length of 3.1mm is…

Q: A tungsten wire in a vacuum has length 15.0 cm andradius 1.00 mm. A potential difference is applied…

A: Part A:

Q: Q7.(Page No.369, 18.9 Exercises, Problem No.3). The resistivity of a sample of germanium is 6.0x 102…

Q: Calculate the drift velocity and mean free path of copper when it carries a steady current of 10…

A: Given data: Current, I=10 A Radius, r=0.08 cm=0.8×10-3m Mean thermal velocity, vth=1.6×106m/s…

Q: As part of a lecture demonstration, a physics professor plans to hold an uninsulated…

A: Given : V=3V L=1.3m I=5A ρ=2.75×10-8Ωm The resistance of a…

Q: A wire has a current density of 7.89 x 10° A/m². If the cross-sectional area of the wire is 3.67…

Question

A negligibly small current is passed through a wire of length 15 m and uniform crosssection 6.0 x 10-7 m2,
and its resistance is measured to be 5.0 2. What is the resistivity of the material at the temperature of the
experiment?

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 1 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-gauge copper wire has a cross-sectional area A=5.26mm2 and carries a current of I=5.00A . The adensity of copper is =89.50g/cm2 . One mole ofcopper atoms (6.021023atoms) has a mass ofapproximately 63.50 g. What is the magnitude of the drift velocity of the elections, assuming that each copper atom contributes one free electron to the current?
Consider a power plant is located 60 km away from a residential area uses Q-gauge (A=42.40mm2) wire ofcopper to transmit power at a current of I = 100.00 A.How much more power is dissipated in the copper wires than it would be in superconducting wires?
Consider a resistor of resistivity 3.96 × 10-8 Ω • m. If an electric field of 12 V/m is applied across the resistor and the electron volume concetration in the conductor is 5.16 × 1028 per m3, determine the drift velocity, in mm/s, of the free electron constituting the current.
IF a alloy containing a resistivity of 1.1 × 10−6 Ωm. From a roll of wire of 2 mmdiameter, a length 1.5 m long is taken. if a secon piece containing the same length being 1.5 m is connected parallel to the first. A what would its resistance be but also the conductance of the pair.
Nichrome alloy has a resistivity of 110 × 10−6 Ωcm. From a roll of nichrome wire of 2.5 mmdiameter, a length 1 m long is taken.a) Calculate the resistance R and the conductance G of the piece of wire.b) A second piece also 1 m long is connected in parallel to the first. Calculate the resistanceand conductance of the pair.
Consider a resistor of resistivity 1.59x10^-8 ohms•m. If an electric field of 19 V/m is applied across the resistor and the electron volume concentration in the conductor is 4.7x10^28 per cubic meter, determine the drift velocity, in mm/s, of the free electron constituting the current.
An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it, its resistance at room temperature (27.0 °C) is found to be 75.3 Ω. When the toaster is connected to a 230 V supply, the current settles, after a few seconds, to a steady value of 2.68 A. What is the steady temperature of the nichrome element? The temperature coefficient of resistance of nichrome averaged over the temperature range involved, is 1.70 × 10-4 °C-1.
A wire with cross-sectional area "A", length "l" and conductivity "σ" is subjected to a potential difference "V". The applied potential difference is changed and the wire is stretched so that the power dissipated increases by a factor of 30 and the current increases by a factor of 4.Find the ratio of the final length "l" to the initial length "lo" of the wire
The figure gives the electric potential V(x) along a copper wire carrying uniform current, from a point of higher potential Vs = 14.0 μV at x = 0 to a point of zero potential at xs = 3.00 m. The wire has a radius of 2.10 mm, and copper has a resistivity of 1.69 × 10-8 Ω·m. What is the current in the wire?
Nichrome alloy has a resistivity of 110 × 10^−6 Ωcm. From a roll of nichrome wire of 2.5 mmdiameter, a length 1m long is taken.a) Calculate the resistance R and the conductance G of the piece of wire.b) A second piece also 1 m long is connected in parallel to the first. Calculate the resistance and conductance of the pair.
A metal object having a length (10m), cross section area (0.5 mm2), and resistance (0.52) is connected to a potential difference source of 5V at room temperature. If the density of free electrons equals (8×1025 electron/m³), Calculate the thermal velocity.
As part of a lecture demonstration, a physics professor plans to hold an uninsulated current-carrying wire in her hands. For safety's sake, the potential difference between her hands is to be no more than 3 V. She holds her hands 1.3 m apart, with the wire stretched tightly between them. The wire is to carry 5.00 A of current and is to be made of aluminum. What is the minimum wire radius in millimeters that is consistent with safety? Let the resistivity of aluminum be 2.75x10^-8Ω⋅m.