The drift speed in a copper wire is 7.15 x 105 m/s for a typical electron current. Calculate the magnitude of the electric field E inside the copper wire. The mobility of mobile electrons in copper is 4.5 x 103 (m/s)/(N/C). (Note that though the electric field in the wire is very small, it is adequate to push a sizable electron current through the copper wire.) i N/C eTextbook and Media

Consider a copper wire that is being used to deposit charge on a metal plate. Theamount of charge on the metal plate is described by the functionq(t) = c0 + c1t2, where c0 = 1.3 × 10-6 C and c1 = 2.3 × 10-7 C/s2. How much electron current flows through the copper wire at 3.4 s?

A beam contains 2.0 × 109 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 3.1 × 105 m/s. What is (a) the magnitude of the current density and (b) direction of the current density  J→. (c) What additional quantity do you need to calculate the total current i in this ion beam?

A solid steel wire has a cross-sectional area of 8.05 x 10-6 m2 and is carrying a constant current of 15.0 A. The density of the wire is 8.05 g/cm3 and the material has a molar mass of 54.97 g/mol. Calculate the drift speed (in mm/s) of the electrons in the wire for the amount of current given. You can assume that each molecule of steel in the wire contributes one free electron of charge. Round your answer to 3 decimal places.

2) What is the drift speed of electrons in the 12-gauge wire of a certain conductor in a typical building of the UET physics lab having cross- sectional area of 3.31 um^2 and carries a uniform current of 10000.0 mA? Suppose each atom of the conductor contributes one free electron to the current, whereas the molar mass and density of the conductor is 63.5 g/mol and 8.92 g/cm^3.* Ob) 3 mf O c) 2.3 PF od) 2.1 m e) 2 UF f) 2 mF O F g) 1 m F O HINE

A copper wire of cross-sectional area 1.30 mm2 has a current of 7.10 A flowing along its length. What is the drift speed of the conduction electrons? Assume 1.30 conduction electrons per copper atom. The mass density of copper is 9.00 g/cm3 and its molar mass is 64.0 g/mol.

The vector current density of a 3m long and 3mm diameter conductor is given as 155630 A/m^2. Determine the curent on the conductor, its free electron density, the drift velocity of the charges and the number of electrons passing through the conductor for 3 seconds.