A uniform cross-section of silver has a resistivity of 1.54 x 10-8 2 m at room temperature. For an electric field along the wire of 1 volt/cm, calculate (a) the drift velocity - assuming that there are 5.8 x 1028 free electrons/m³.
Q: A current of 0.123 mA flows in a silver wire whose cross-sectional area is 0.923 mm2. The density…
A:
Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 × 10-8…
A:
Q: Estimate the average drift speed of the conduction electrons in a copper wire with a cross sectional…
A: Solution: Given:- Area of cross-section of the copper wire, A=3.5x10-7 m2, current, I=2.8A, and the…
Q: The density of free electrons in a cylindrical metal wire is 7×1028 m-3. The diameter d = 8.41 mm…
A:
Q: A cylindrical conducting wire which is 173.67cm long, 45.65mm thick and resistivity of 7.70.m, (a)…
A:
Q: A copper wire of radius a = 0.161 mm has an aluminum jacket of outer radius b = 0.224 mm. There is a…
A: Data Given , Inner Radius of the wire ( a ) = 0.161 mm = 0.161 × 10-3 m Outer Radius of wire ( b )…
Q: Find the drift velocity vg of conduction electrons in a gold wire of diameter 2.03 mm when a current…
A:
Q: The density of free electrons in gold is 5.9 ×10-8 m¯³. If a gold wire with diameter d= 5.0 mm…
A: As per guidelines, we will solve only one question for you. If you need any particular question,…
Q: A typical wire for laboratory experiments is made of copper and has a radius 0.815 mm. Calculate the…
A: Given: radius, r = 0.815 mm Current, i = 1 A density of copper, d = 8.93 g/cm3 m = 63.5 g/mol
Q: A cylindrical conducting wire which is 342.57cm long, 85.39mm thick and resistivity of 3.13Ω.m,…
A: Given data:
Q: A small but measurable current of 3.0 x 10 10 A exists in a copper wire whose diameter is 2.4 mm.…
A:
Q: A conductor has a cross- sectional area of 2.3x 10 6m2 and the number of free electrons per unit…
A: Given that the cross-sectional area of conductor and number of electrons per unit volume and current…
Q: Repeat the below example , but for a wire made of silver and given there is one free electron per…
A: Given: The diameter of the copper wire is 2.053 mm. The current in the copper wire is 20.0 A. The…
Q: copper wire is r = 2.19 cm in radius and 2.6 m in length, has a resistivity of 1.72x10^-8 Ω m, and…
A: Given: The radius of the wire is 2.19 cm. The length of the wire is 2.6 m. The resistivity of the…
Q: Assume that each atom of copper contributes one free electron. What is the average drift velocity of…
A:
Q: When a potential difference of 115 V is applied between the ends of a 9.66 m long wire, the current…
A:
Q: An engineering intern is studying the effect of temperature on the resistance of a current carrying…
A:
Q: !Suppose that you wish to fabricate a uniform wire out of 2.99 g of copper. If the wire is to have a…
A:
Q: What is the resistivity of a wire if it is subjected to a 2.50✕102 V/m electric field, and has a…
A: Given: E=2.50*102 V/mj=4.03*10-13 A/m2
Q: A conductor has a cross-sectional area of 2.3x106 m2 and the number of free electrons per unit…
A: Given:- I = 16.5 A free electron density (n) = 8.5 *1028 electrons/m3 charge of electron (e) =…
Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x…
A: Resistivity , ρ = 3.2 x 10-8 Ω m Length , L = 58.9 m Diameter , d = 0.5 mm To find = Resistance of…
Q: A copper wire has a circular cross section with a radius of 1.96 mm. HINT (0) If the wire carries a…
A: Given data Charge of an electron is q=1.60×10-19 C Density of mobile charge is n=1.10×1029…
Q: A copper wire has a length of 34.0 m and a resistance of 5.00 Q at 20.0°c. Assuming a circular…
A: Given- Length of copper wire l=34 m Resistance R=5Ω The resistivity of copper ρ=1.7×10-8 Ω-m
Q: A current-carrying gold wire has diameter 6.89 mm. The electric field in the wire is 9.24 V/m. What…
A:
Q: A certain laboratory experiment requires an aluminum wire of length of 22.0 m and a resistance of…
A:
Q: A small but measurable current of 7.6 x 10 10 A exists in a copper wire whose diameter is 3.2 mm.…
A:
Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x…
A: Given- Resistivity ρ=3.2×10-8Ω.m Length L=49.1 m Diameter d=0.50 mm=0.50×10-3m Radius…
Q: A gold wire of 0.500 mm diameter has 8.20 × 1028 conduction electrons per cubic meter. If the drift…
A:
Q: A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 40.0 Q at 20.0°C. If…
A: Given, length of wire=3m cross-sectional area=0.450mm^2 Resistance Ro=40 ohm at 20 c Resistance…
Q: A cylindrical conducting wire which is 342.57cm long, 85.39mm thick and resistivity of 3.13Ω.m,…
A: Given: Wire length, L=342.57 cm=3.4257 m≈3.4 m Wire's thickness, d=85.39 mm=0.08539m Resistivity,…
Q: If a current of 5A flows through a conductor with a resistance of 7 ohms for 3 minutes, how many…
A:
Q: Suppose you wish to fabricate a uniform wire from a mass m of a metal with density ρm and…
A:
Q: A cylindrical conducting wire which is 173.67cm long, 45.65mm thick and resistivity of 7.70.m, (a)…
A:
Q: A 1.00-mm-radius, cylindrical copper wire carries a current of 8.00 A. If each copper atom in the…
A: The average velocity obtained by charged particles, such as electrons, in a material owing to an…
Q: If a current of 5A passes through a conductor with a resistance of 7 Ω, 3 minutes of walking, How…
A: Current, Resistance, Time, Charge on an electron,
Q: A conductor has a cross-sectional area of 2.3x106 m2 and the number of free electrons per unit…
A: To find the drift speed
Q: A small current of 1.5x 10 10 A exists in a copper wire whose radius is 1.0 mm. The number of charge…
A:
Q: A conductor of uniform radius 1.16 cm carries a current of 2.70 A produced by an electric field of…
A: According to question --- Given values-- radius = 1.16 cm. current = 2.7 Amp. electric field = 119…
Q: A conductor has a cross-sectional area of 2.3x 10P m and the number of free electrons per unit…
A:
Q: A gold wire of 0.500 mm diameter has 8.50 × 1028 conduction electrons per cubic meter. If the drift…
A: Given data: Diameter (d) = 0.500 mm = 0.500×10-3 m Number of electrons per cubic meter (n) =…
Q: What current flows through a 2.74 cm diameter rod of pure silicon that is 25.0 cm long, when 1000 V…
A: Solution: Given data, resistivity of pure silicon(p)=2.30×10³ ohm.m Length of rod (l)=25cm=0.25m…
Q: A 1.00-mm-radius, cylindrical copper wire carries a current of 8.00 A. If each copper atom in the…
A:
Q: What diameter must a copper wire have if its resistance is to be the same as that of an equal length…
A: Given : Rcu = Ral Lcu = Lal dal = 3.23 mm ρcu = 1.72 × 10-8 Ωm ρal = 2.75 × 10-8 Ωm
Q: A small but measurable current of 9.6 x 10 10 A exists in a copper wire whose diameter is 3.7 mm.…
A: Given:- The current in the copper wire I = 9.6 x 10-10 A The diameter of the copper wire D = 3.7 mm…
Q: A length of aluminum wire is connected to a precision 10.00-VV power supply, and a current of 0.4132…
A:
Step by step
Solved in 2 steps with 2 images
- How many free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4 m by 3 m? The electrons of this conductor have a drift velocity of 4 m/s when a 9.6 A of currentis applied thru a cross-sectional area of 0.005 m2 Use electronic charge of 1.6 x 10 –19 coulomb per electron. Express your answer in scientific notation whose unit is electrons per cubic meter.How many free electrons are there in a rectangular block of a conductor whose dimension is 8 mby 4 m by 3 m? The electrons of this conductor have a drift velocity of 4 m/s when a 9.6 A of currentis applied thru a cross-sectional area of 0.005 m2 . Use electronic charge of 1.6 x 10 –19 coulomb perelectron. Express your answer in scientific notation whose unit is electrons per cubic meter.(b) The density of iron is 7.85 g/cm3, and its atomic mass is 55.8. Assuming each iron atom contributes two mobile electrons to the metal, what is the number density of free charges in the wire, in electrons/m3? (Enter your answer without units.) (c) Use your results to calculate the drift speed (i.e., the average net speed) of the electrons in the wire. (d) Due to thermal motion, the electrons at room temperature are randomly traveling to and fro at 1.13×105 m/s, even without any current. What fraction is the current's drift speed, compared to the random thermal motion?
- A metal wire of cross-sectional area 2.00x10-6 m² and length 4.0 m has a current of 25.0 A uniformly distributed across that area. If the conductivity of the metal is, 5.9x107 (.m)-!, calculate the magnitude of the electric field, in V/m, along the wire?An iron wire has a cross - sectional area of 5.00 x 10-6 m2.Carry out steps (a) through (e) to compute the drift speed ofthe conduction electrons in the wire. (a) How many kilogramsare there in 1 mole of iron? (b) Starting with the density of ironand the result of part (a), compute the molar density of iron(the number of moles of iron per cubic meter). (c) Calculatethe number density of iron atoms using Avogadro’s number.(d) Obtain the number density of conduction electrons giventhat there are two conduction electrons per iron atom. (e) Ifthe wire carries a current of 30.0 A, calculate the drift speed ofconduction electrons.A silver wire 2 mm in diameter transfers a charge of 13-mC in 6 minutes. Silver contains 5.8 × 1028 free electrons per cubic meter. Determine the drift velocity in micrometers per second of the electrons in the wire. Use the fundamental unit of charge as 1.602 × 10-19 C. Answer in 4 decimal places.
- Given the electric field through a write is 0.50 V/m. The material used to make the wire has 6.52×10²8 electrons per m³. If the material has a conductivity of 1.7×10 m, calculate the drift velocity of the electrons.A capacitor has an intial charge 8.3 Coul. If the current flows through it is given by the equation i = 2t + 3 Amp, find the charge when t =1 sec.A cylindrical copper wire transmits a charge of 360 °C in 10 minutes. Copper, 8.5x10^28 free per cubic metercontains electrons. If the radius of the wire is I mm, what is the drift velocity of the electrons (in mm's)(take e=1.6x10^-19 C, pi=3) ? A) 0.015 B) 0.055 C) 0.045 D) 0.025 E) 0.035
- The free-electron density in a copper wire is8.5 * 10^28 electrons/m3. The electric field in the wire is 0.0600 N>Cand the temperature of the wire is 20.0°C. (a) What is the drift speed vdof the electrons in the wire? (b) What is the potential difference betweentwo points in the wire that are separated by 20.0 cm?A 10-volt potential difference is applied across a 4-m copper wire. Determine the rate of conversion of electrical energy to thermal energy, in megawatts, if the conductor has a diameter of 0.04 mm. For copper, there are 8.5 x 1028 electrons per unit volume and the mean time per collision is approximately 2.6 x 10-14 s. Express your answers accurate to four decimal places, whenever applicable. No need to put the unit of measurement in the final answer.A metallic wire with resistance 8 0, crosS-sectional area 8.2x10 m², and conductivity o= 5.81×10 0 m mV/m) inside the wire is; -1 is connected to a battery of & = 14 V. The electric field E (in 3.