Question 6 A wire of diameter 2 mm and conductivity 5x107 S/m has 1029 free electrons per cubic meter. For an applied field of I mV/m, determine: i. The current density J ii. The drift velocity of electrons. Solution to Question 6
Q: PROBLEM 1: A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains…
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Q: A conductor has a cross-sectional area of 2.3×106 m² and the number of free electrons per unit…
A: Cross-sectional area is A = 2.3×10-6 m2 Electron density is n = 8.5×1028 electron/m3 Current, I =…
Q: Number 12 copper wire (diameter 0.08080 inch) used for electrical installations in homes. What is…
A: Given, Diameter of wire,d=0.08 inch=0.002 m Length,L=50 m Resistivity,ρ=1.7×10-8Ωm Current,I=6 A
Q: A total of 2.0 x 1013 electrons pass a given point in a wire in 15 s. What is the current in the…
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Q: A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8 x 1028…
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Q: A conductor has a cross-sectional area of 2.3x 10-6 m and the number of free electrons per unit…
A: Drift speed is given by - Drift speed= current/(n × e ×A) Where, n=number density e=Electric…
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: Silver is composed of 5.8 x 1028 free electrons per cubic meter. If a silver wire with a diameter of…
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Q: A copper cylinder has a diameter of 20.0 mm and a length of 10 m. A potential difference of 100 V is…
A: Concept: To determine the Resistance of the cylinder we will use the formula R=ρLAhere,ρ=…
Q: A conductor has a cross-sectional area of 2.3x 10-6 m² and the number of free electrons per unit…
A: I = 8.6 A Q= 1.6 ×10-19C A =2.3 ×10-6 m² n = 8.5 ×1028 electron/m³ Now, Velocity = I /nAq V = 8.6 /…
Q: A conductor has a cross-sectional area of 2.3x106 m2 and the number of free electrons per unit…
A: 0.29 mm/s
Q: 6. Three copper conductor rods have length, diameter and potential difference between the ends as…
A: A) For the rod 1, Length is L, Diameter is 3d and Potential difference is V Electric field is given…
Q: A conductor has a cross-sectional area of 2.3x 10 m and the number of free electrons per unit volume…
A: drift velocity is given by vd=IneA Here, I is the current flow n is the free electron density e is…
Q: 2. The current density in a copper wire of diameter 1.5 mm ig 1.5x 10° A/m2. The number of free…
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Q: QUESTION 2 A cylindrical wire whose circular cross section has a radius of 1.0 mm carries a current…
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Q: A conductor has a cross-sectional area of 2.3X10-6 m2 and the number of free electrons per unit…
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Q: A cylindrical platinum wire is 0.0644 mm in diameter and 1.05 m in length. The wire carries a 1.05 A…
A: The diameter of the wire, d=0.0644mm=0.0644×10−3m.So its radius isr=d/2=0.0644×10−32m.So the…
Q: Calculate the number of free electrons in a copper conductor having a diameter of 0.064in and a…
A: Since you have asked multiple questions, we will solve the first one for you. If you want any…
Q: A conductor has a cross-sectional area of 2.3×10-6 m² and the number of free electrons per unit…
A: The given values are, A=2.3×10-6 m2n=8.5×1028 /m3I=12.3 AQ=1.6×1019 C
Q: Shown below is a copper wire with the following characteristics: Diameter: 1.45 mm.00145m 1.45 ×…
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Q: The conduction electrons in a cylindrical, current-carrying wire have a drift velocity of 0.35 mm/s.…
A: Given Drift velocity vd = 0.35 mm/s = 0.35 × 10-3 m/s Radius of wire r = 1 mm = 10-3 m Number of…
Q: 1.A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 minutes. Silver contains 5.8 x…
A: (a) Current in the wire
Q: The conduction electrons in a cylindrical, current-carrying wire have a drift velocity of 0.35 mm/s.…
A: Problem 1 Given Drift velocity is given as vd=0.35 mm/s=0.35×10-3 m/s Number of conduction electrons…
Q: Copper conductor has a radius of 2mm with current I=10A, If n= 8.48x1023 electron/m3 then the drift…
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Q: A conductor has a cross-sectional area of 2.3×106 m² and the number of free electrons per unit…
A: Option A is the right answer A. 0.20 mm/s
Q: 1. Consider a cylindrical wire that has conduction electron density 6.0 x 1028 and radius 0.5 mm. An…
A: Given data: The conduction electron density is n=6.0×1028 1m3 The electric field strength is…
Q: Q5) When applying a voltage of (100 mv) across a wire of length (20m), the current density passing…
A: Given Data, Applied Voltage(V)=100 mV Length of the wire (L)=20 m Current Density of the wire…
Q: A conductor has a cross-sectional area of 2.3x 10-6 m² and the number of free electrons per unit…
A: Given data: The area of conductor is A=2.3x10-6 m2. The free electrons are n=8.5x1028 e/m3. The…
Q: What is the SI unit of resistance?
A: 2) S.I UNIT OF RESISTANCE IS OHM(Ω). 3)IN SOLID METALS ELECTRONS ARE FREE TO MOVE THROUGHOUT THE…
Q: A conductor has a cross-sectional area of 2.3x10 m2 and the number of free electrons per unit volume…
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Q: B. A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8 x…
A:
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: 1. Consider a cylindrical wire that has conduction electron density 6.0 × 1028 4 and radius 0.5 mm.…
A: Electron density n = 6.0×1028 m-3 Radius of wire r = 0.5 mm = 5×10-4 m Current i = 4.8×1017…
Q: A copper wire of cross-sectional area 1.0 mm? has a current of 2.0 A flowing along its length. Given…
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Q: Consider a carbon rod resistor that has a uniform cross-sectional area of 5.00 mm-. When a potential…
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Q: A conductor has a cross-sectional area of 2.3x106 m2 and the number of free electrons per unit…
A: .
Q: A cylindrical nickel wire of radius 2.0 mm and length 1.6 m has a potential difference of 12 volts…
A: Given data: Radius (r) = 2.0 mm = 2.0x10-3 m Potential difference (V) = 12 V Resistance (R) = 4.0 Ω…
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