A small but measurable current of 9.3 x 10-10 A exists in a copper wire whose diameter is 3.6 mm. The number of charge carriers per unit volume is 8.49 x 1028 m-3. Assuming the current is uniform, calculate the (a) current density and (b) electron drift speed.
A small but measurable current of 9.3 x 10-10 A exists in a copper wire whose...
A small but measurable current of 8.7 × 10-10 A exists in a copper wire whose diameter is 2.3 mm. The number of charge carriers per unit volume is 8.49 × 1028 m-3. Assuming the current is uniform, calculate the (a) current density and (b) electron drift speed.
A small but measurable current of 8.9 × 10-10 A exists in a copper wire whose diameter is 2.2 mm. The number of charge carriers per unit volume is 8.49 × 1028 m-3. Assuming the current is uniform, calculate the (a) current density and (b) electron drift speed.
0 A exists in a copper wire whose diameter is 3.6 mm. The number of charge carriers per unit volume is 8.49 x 1028 m 3. Assuming the current is uniform, calculate the (a) current density and (b) electron drift speed. (a) Number (b) Number Units Units
13) A current of 5.0 x 10'10 A exists in a copper wire whose diameneng the curret a charge carriers per unit volume calculate the electron drift speed is 2.3 mm. The number of is 8.49 10 m. Assuming the current is uniform, m A) 44x101s m/s B) 2.2x10 m/s C) 3.8x10 m/s D) 8.9x101 m/s 14) Awire is 1.4 m long and 0.75 mm2 in cross-sectional area. Itcarries acconductivityơof the current of 3.4 A when ity ơ of the...
The figure shows wire section 1 of diameter D,-5.50R and wire section 2 of diameter D2-3.00R, connected by a tapered section. The wire is copper and carries a current. Assume that the current is uniformly distributed across any cross-sectional area through the wire's width. The electric potential change Valong the length L-1.50 m shown in section 2 is 13.0 μν. The nurmber of charge carriers per unit volume is 820x 1028 m3. What is the drift speed of the conduction...
A current of 2A flows in a copper wire 2mm in diameter. The density of valence electrons in copper is roughly 9 × 1028 m−3 . Find the drift speed of these electrons. The fundamental charge is 1.602 × 10−19 C .
An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.40×106 A/m2 . Copper has 8.5×1028 free electrons per cubic meter Calculate the current in the wire Calculate the drift velocity of electrons in the wire.
An aluminum wire having a cross-sectional are equal to 530 X 10m carries a current of 7.00 A. The density of aluminum is 2.70 /em! Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wre. 24.4719 X The equation for the rift velocity includes the number of charge carriers per volume, which in the cases qual to the number of atoms per volume. How do you calculate that if you...
A copper wire has a circular cross section with a radius of 2.51 mm. (a) If the wire carries a current of 3.93 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 ✕ 10^29 electrons/m^3.) m/s (b) For the same wire size and current, find the drift speed (in m/s) of electrons if the wire is made of aluminum with n = 2.11...
A 14-gauge copper wire has a diameter of 1.684 mm. What magnitude current flows in amperes when the drift velocity is 1.20 mm/s? (The density of free electrons in copper is 8.34 ✕ 1028 e−/m3.).) ____________ A