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QUESTION 6 The allowed safe current for a No. 3 copper wire, 0.2294 inch in diameter,...
QUESTION 1 The allowed safe current for a No. 8 copper wire, 0.1285 inch in diameter, is 50 A. How many coulombs of charge pass a cross-section of the wire in 2.5 minutes? is 1.6 x 10-19 C. (Enter your answer as a number with the coulornbs units.) Assume the electron concentration in copper wire is about 2 x 1024 electrons/in3, the average electron velocity is about 0.87 inches/min, and the charge per electron
The figure shows wire section 1 of diameter D,-5.50R and wire section 2 of diameter D2-3.00R, connected by a tapered section. The wire is copper and carries a current. Assume that the current is uniformly distributed across any cross-sectional area through the wire's width. The electric potential change Valong the length L-1.50 m shown in section 2 is 13.0 μν. The nurmber of charge carriers per unit volume is 820x 1028 m3. What is the drift speed of the conduction...
1 mA flows down a 1 mm diameter copper wire. How many billions of electrons pass through a cross section of the wire each μ s (microsecond)?
A 4.00 A current runs through a 12-gauge copper wire (diameter 2.05 mm) and through a light bulb. Copper has 8.5×1028 free electrons per cubic meter. a)How many electrons pass through the light bulb each second? b)What is the current density in the wire? c)At what speed does a typical electron pass by any given point in the wire?
A 5.00-Amp current runs through a 12 gauge - copper wire(diameter 2.05mm) and through a light bulb. Copper has 8.5*10^28 free electrons per cubic meter. A. How many electrons pass through the light bulb each second? B. What is the current density in the wire? C. At what speed does a typical electron pass by any given point in the wire? D. If you were to use wire of twice the diameter, which of the above answers would change? Would...
A copper wire of 1.0 cross-sectional area carries a current of 2.72 A What is the magnitude of the drift velocity in m/s) for an electron in the wire? The number of free charge carries of copper per unit volume is 8.0x10 electrons/m! A. 2.0E10+
The Blue line is the key answer. A 2.5-mm diameter copper wire carries a 33-A current uniform across its cross-section. Determine the magnetic field at the surface of the wire inside the wire. 0.50 mm below the surface.
A 2.9 mm -diameter copper wire carries a 40 A current (uniform across its cross section). a)Determine the magnetic field at the surface of the wire. b)Determine the magnetic field inside the wire, 0.50 mm below the surface. c)Determine the magnetic field outside the wire 2.5 mm from the surface.
ke=8.99XIU' N.1 Problem 4 A copper wire has a circular cross section with a diameter of 1.25 mm. (i) If the wire carries a current of 2A, find the drift speed of electrons in this wire. (ii) All other things being equal, what happens to the drift speed if the wire is made of a different metal, having a larger number of conduction electrons than copper? M=0.063 kg/mol; p=8.9 g/cm3. Problem 5 A proton moves perpendicular to a uniform magnetic...
1- A 5.6 A current runs through copper wire of diameter 2.06 mm. Copper has 8.5 × 1028 free electrons per cubic meter. At what speed does a typical electron pass by any given point in the wire? (Give your answer in scientific notation using m/s as unit) 2-Current passes through a solution of sodium chloride. In 0.8 s, 2.51 × 1016 Na+ ions arrive at the negative electrode and 3.95 × 1016 Cl- ions arrive at the positive electrode....