1.67 A flows in 18 gauge copper wire (ordinary household wire). The diameter of 18 gauge wire is 1.02 mm, and the mobile electron density in copper is 8.5e28 electrons/m3 . On average, how long will it take an electr

Q: A potential is placed across a wire. When the potential is 300 V and the wire is 14.5 m long, the…

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Q: Electric field through a copper wire is found to be 0.18 V/m. If the copper wire has 8.46x102…

A: Drift velocity is the average velocity at which electrons move through a conductor under the…

Q: When a current flows in an aluminum wire of diameter 4.45 mm, the drift speed of the conduction…

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Q: Problem 1. A copper wire of cross-sectional area 2.5 mm2 carries a current with a current density of…

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Q: A certain wire has 8.92x1018 electrons pass a single point every second. The wire has a diameter of…

A: Current density is given by J=I/A  I=current=ne/t  Since time t=1sec n= no. Of electron  A=area of…

Q: Part A If there is an annealed copper wire with resistivity 0.172 nano ohm meters and a diameter of…

A: resistivity = 0.172×10-9 ohm - meter diameter = 2 mm radius = 1 mm Length = L electric field (E) =…

Q: A typical lightning bolt may last for 0.152 s and transfer 1.15 ✕ 1020 electrons. Calculate the…

A: The answer is below

Q: A conductor has a cross-sectional area of 2.3\( \times \)106 m² and the number of free electrons per…

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Q: Consider a copper wire with a diameter of 2.77 mm. (a) What is the drift speed of the electrons in…

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Q: An aluminum wire having a radius of 7.53 mm and carrying a current of 86.2 mA is connected in a…

A: let the density of the electrons is denoted by n, the charge of electrons is denoted by e, the…

Q: busbar made out of copper has a length of 12 inches. Its surface dimension is 1 cm by 1 cm. If the…

A: Given values:-  Length of copper,(L)=12 inch=12 x 0.0254 m=0.3048 m ----(1) [Using 1 inch=0.0254 m]…

Q: The current passing through a copper wire is I=20 A. The resistivity of copper at room temperature…

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Q: A conductor has a cross-sectional area of 2.3 × 10^-6 m^2 and the number of free electrons per unit…

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Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A: Given: The current is I = 310 A. Cross sectional area of wire is, The length of the wire is L =…

Q: A 1.00-mm-radius, cylindrical copper wire carries a current of 8.00 A. If each copper atom in the…

A: The correct answer is option (c) i.e. 0.187 mm/s

Q: When a current flows in an aluminum wire of diameter 4.57 mm, the drift speed of the conduction…

A: Given: Diameter, d=4.57 mm, radius r=4.75 mm2=2.285×10-3 m Drift speed ,vd=0.000291 m/s Conduction…

Q: A wire is 0.86 m long and 1.1 mm2 in cross-sectional area. It carries a current of 4.0 A when a 1.6…

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Q: The current of an electron beam has a measured current of I=39.2 μA with a radius of 1.74 mm. What…

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Q: In a large flashlight, the distance from the on-off switch and the light bulb is 9.9 cm. (a)…

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Q: A rectangular block of copper has sides of length 14 cm, 26 cm, and 41 cm. If the block is connected…

A: The actual current, if the 8 volt source is a theoretical perfect source, can be done by calculating…

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

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Q: Through the cross section of a fluorescent tube with a diameter of D=3 cm, 2x10¹8 electrons and…

A: Given,diameter of fluorescent tube is, d = 3cm = 0.03mtotal number of electrons moving per second…

Q: A copper wire of cross-sectional area 1.00 mm2 has a current of 7.40 A flowing along its length.…

A: number density  n = (1.3×density×NA )/molar mass  n = (1.3×9000×6.02×1023 )/0.064  n = 1.1×1029

Q: A current of 4A passes through a wire. The number of electrons crossing a point in the wire in 5…

A: Given,I=4 At=5 mins= 300 sec

Q: When a current flows in an aluminum wire of diameter 2.83 mm, the drift speed of the conduction…

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Q: When a current flows in an aluminum wire of diameter 4.67 mm,4.67 mm, the drift speed of the…

A: Radius of the aluminium wire(r)=Diameter of the wire2=4.67×10-32=2.335×10-3mArea of the…

Q: A copper wire and an iron wire of equal length L and diameter d are joined and a potential…

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Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…

A: 20 min 36sec

Q: A copper wire of cross-sectional area 1.40 mm² has a current of 3.90 A flowing along its length.…

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Q: drift speed

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Q: copper wire has a square cross section 2.3mm on a side. The wire is 4m long and carries a current of…

A: Given  side of cross section a = 2.3 mm  =2.3×10-3 m Cross sectional area A = a2  = (2.3×10-3)2  =…

Q: A 7-Ampere current runs through a 12-gauge copper wire (diameter = 2.05 mm) and through a light…

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Q: A conductor has a cross- sectional area of 2.3\( \times \)10-6 m2 and the number of free electrons…

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Q: How many free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4…

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Q: Shown below is a copper wire with the following characteristics: Diameter: 1.45 mm.00145m 1.45 ×…

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Q: Problem 2: How long does it take electrons to get from the car battery to the starting motor? Assume…

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Q: u find a long silver metal rod with a circular cross-section and you measure its cross-section…

A: Given  Diameter d = 1 mm = 10-3 m  Radius r = d /2 = 0.5 × 10-3 m  Current I = 2 A   Free electron…

Q: A tungsten wire has a radius of 0.068 mm and is heated from 20.0 to 1326 oC. The temperature…

A: Given, radius r = 0.068 mm = 0.068 × 10-3 m    temperature changes T - T0 = 1326 °C - 20.0 °C…

Q: An aluminum wire having a cross-sectional area equal to 2.00 x 106 m2 carries a current of 3.50 A.…

A: Given: Cross sectional area A = 2.0×10-6 m2 Current in wire I = 3.5 A. Density of aluminum wire =…