In a wire, 7.69×10207.69×1020 electrons flow past any point during 2.852.85 s. What is the magnitude of the current ?I in the wire?
In a wire, 7.69×10207.69×1020 electrons flow past any point during 2.852.85 s. What is the magnitude...
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 current of 75.8 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.8 min? electrons (b) In what direction do the electrons travel with respect to the current? same directionopposite direction The magnitude is zero.
Please, no referring to other questions.A) A current of 1.70 A flows in a wire. How many electrons are flowing past any point in the wire per second?
2.00 × 1020 electrons flow through a cross section of a 3.50-mm-diameter iron wire in 6.00 s . Part A What is the electron drift speed? ___________ μm/s
1.5*1020 electrons flow through a cross section of a 3.70 mm diameter iron wire in 4.00 s. The electron density of iron is n = 8.5*1028 m-3. What is the electron drift speed?
A current of 77.0 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.9 min? _____ electrons (b) In what direction do the electrons travel with respect to the current?
If a current of 77.0 mA exists in a metal wire, how many electrons flow past a given cross section of the wire in 9.0 minutes? _______ electrons Sketch the direction of the current and the direction of the electrons' motion. (Do this on paper. Your instructor may ask you to turn in your work.)
If a current of 71.0 mA exists in a metal wire, how many electrons flow past a given cross section of the wire in 8.5 minutes?
Resume Question 1 of 15 > Attempt 3 In a wire with a 1,43 mm2 cross-sectional area, 8.23 x 10" electrons flow past any point during 2.91 s. What is the current in the wire? current: 45.25 Find the current density. current density: 3.1 x107 A/m about us Careers privacy policy terms of use contact us help MacBook Air
1. (a) A current of 83.4 mA exists in a metal wire. How many electrons flow past a given cross section of the wire in 10.8 min? _______ (b) If a certain silver wire has a resistance of 7.80 Ω at 19.0°C, what resistance will it have at 54.0°C? _______ (c) A certain laboratory experiment requires an aluminum wire of length of 21.0 m and a resistance of 2.10 Ω at 20.0°C. What diameter wire must be used? (The resistivity...