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)
A 8.9×10^−4 V/m electric field creates a 2.6×10^17 electrons/s current in a 1.3-mm-diameter aluminum wire. Part A:What is the drift speed? Express your answer using two significant figures. Part B: What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures.
Electrons flow through a 2.7-mm-diameter aluminum wire at 2.5×10−4 m/s . How many electrons move through a cross section of the wire each day?
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?