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Resume Question 1 of 15 > Attempt 3 In a wire with a 1,43 mm2 cross-sectional...
a) In a wire with a 2.81-mm2 cross-sectional area, 8.91 × 1020 electrons flow past any point during 2.61 s. What is the current in the wire? b) Find the current density.
A 10.0 cm length of copper wire has a uniform cross-sectional area of 1.0 mm2. If the drift speed of electrons in the wire is: 2.0x10-4 m/s and the electrons all move directly along the wire, what is the magnitude of the current density? What is the total current carried by the wire.
Assignment Score: 1361/2900 Resources Give Up? Feedback Resume < Question 15 of 29 > Attempt 1 What is the hybridization of phosphorus in each of the molecules or ions? ооооо OOOOO o spe about us Careers privacy policy terms of use contact us help MacBook Air Assignment Score: Question 15 of 29 > Attempt 1 - Ospd Op' O spd 10 sp² Tooo 10 sp²d Osp about us Careers privacy policy terms of use | contact us MacBook Air Neuson...
A wire is 0.79 m long and 0.77 mm2 in cross-sectional area. It carries a current of 4.1 A when a 2.0 V potential difference is applied between its ends. Calculate the conductivity ? of the material of which this wire is made.
A wire is 0.79 m long and 0.82 mm2 in cross-sectional area. It carries a current of 3.8 A when a 2.4 V potential difference is applied between its ends. Calculate the conductivity σ of the material of which this wire is made.
A wire is 1.3 m long and 0.93 mm2 in cross-sectional area. It carries a current of 5.8 A when a 1.8 V potential difference is applied between its ends. Calculate the conductivity σ of the material of which this wire is made.
A wire has a current density of 7.43 Times 10^6 A/m^2. If the cross-sectional area of the wire is 1.99 mm^2, current does the wire carry? With this current, how much time is required for 5.87 Times 10^20 electrons to pass any point on the wire?
An aluminum wire has a mobile charge density is 8.0e28 electrons/m3, and a cross-sectional area of 2.3e-6 m2. When a current flows through the wire, the average drift speed of the electrons is 1.7e-4 m/s. What is the current in the wire?
2. A copper wire carrying a current of 5.00 A has a cross-sectional area of 5.00 x 106 m2. Find the drift speed of the electrons in the wire. The density of copper is 8.96 g/cm3. (Assume that each copper atom supplies one free electron.)
nment Score: 1438/2000 Resources Ex Give Up? Feedback Resume estion 3 of 20 > Attempt 1 - An irregular lump of an unknown metal has a measured density of 2.50 g/mL. The metal is heated to a temperature of 153 °C and placed in a graduated cylinder filled with 25.0 mL of water at 25.0 °C. After the system has reached thermal equilibrium, the volume in the cylinder is read at 33.2 mL, and the temperature is recorded as 37.9...