How many electrons per second flow through a wire with a 27-pA current? (Recall that 1 pA = 10−12A and e=1.60×10−19C)
Express your answer using two significant figures.
How many electrons per second flow through a wire with a 27-pA current? (Recall that 1...
9.0×1015 electrons flow through a cross section of silver wire in 380 μs with a drift speed of 7.8×10−4 m/s . What is the diameter of the wire? Express your answer to two significant figures and include the appropriate units.
1.4 times 10^15 electrons flow through a cross section of silver wire is 330 mu S with a drift speed of 7.2x 10^-4 m/s. What is the diameter of the wire? Express your answer to two significant figures and include the appropriate units.
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?
An electric device delivers a current of 3 A to a device. How many electrons flow through this device in 8 s? (e = 1.60 × 10-19 C)
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 1.0 A of current are passing through a wire how many electrons pass through a cross-section of the wire in 1.0 hours?
Part A How much current flows through the bottom wire in the figure(Figure 1) ? Express your answer to two significant figures and include the appropriate units. Part B In which direction current flows through the bottom wire in the figure? 9 V 100 6 (2 12 24 Bottom wire 15 V
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?
A 2.5 ampere current flows through a wire for 5.0 minutes. (a) How many coulombs of charge flow through the wire in this time? (b) How many electrons flow through the wire in this time?
7 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 x 1028 free electrons per cubic meter. Part A How many electrons pass through the light bulb each second? να ΑΣφ ? N= Request Answer Submit Part B What is the current density in the wire? V ΑΣφ ? A/m2 Request Answer Submit Part C At what speed does a typical electron pass by any given point in...