A 3.5-mm-diameter wire carries a 19 A current when the electric field is 7.1×10−2 V/m.
What is the wire's resistivity?
A 3.5-mm-diameter wire carries a 19 A current when the electric field is 7.1×10−2 V/m. What...
A d = 3.71 mm diameter wire carries an electric current of I = 18.2 A when the electric field is E = 5.72 times 10^-2 V/m along the wire. What is the current density? What is the conductivity of the wire? What is the resistivity of the wire?
A 5.30 m length of 1.6 mm -diameter wire carries a 710 mA current when 18.0 mV is applied to its ends. The drift velocity is 1.2×10−5 m/s . Part A Determine the resistance R of the wire. Part B Determine the resistivity ρ. Part C Determine the current density j. Part D Determine the electric field inside the wire. Part E Determine the number n of free electrons per unit volume.
A 0.880-mm-diameter silver wire carries a 50.0 mA current. What is the electric field in the wire? What is the electron drift speed in the wire?
15. A spool of aluminum wire 290 m long and with a diameter of 0.440 mm is at 20.0°C. For aluminum, the resistivity is 2.82 ✕ 10−8 Ω · m and the temperature coefficient of resistivity is 3.90 ✕ 10−3 (°C)−1. (a) What is the magnitude of the electric field (in V/m) in the wire if it carries a current of 0.600 A? V/m (b) What is the electric power (in W) delivered to the spool while it carries a...
A 0.300-mm-diameter silver wire carries a 10.0 mA current. Part A What is the electric field in the wire? Express your answer with the appropriate units. Part B What is the electron drift speed in the wire? Express your answer with the appropriate units.
A 9.8×10−4 V/m electric field creates a 4.9×1017 electrons/s current in a 1.7-mm-diameter aluminum wire. What is the drift speed and what is the mean time between collisions for electrons in this wire?
A 1.9×10−3 V/m electric field creates a 3.2×1017 electrons/s current in a 1.0-mm-diameter aluminum wire. What is the drift speed? What is the mean time between collisions for electrons in this wire?
A 3.0×10−4 V/m electric field creates a 2.1×1017 electrons/s current in a 2.0-mm-diameter aluminum wire. Part A What is the drift speed? Part B What is the mean time between collisions for electrons in this wire?
A copper wire is 2.0 mm in diameter and carries a current of 20 A.Part A.What is the electric field strength inside this wire?
. A copper wire with diameter 2.0 mm has a 0.23 V/m electric field along its length. Calculate the current in the wire.