A piece of copper wire has a cross section of 4.0 mm2 and a length of...
A copper wire has a square cross section 3.37 mmmm on a side. The wire is 5.08 mm long and carries a current of 3.79 AA . The density of free electrons is 8.5×1028m−38.5×1028m−3. a) Find the magnitude of the current density in the wire. b) Find the magnitude of the electric field in the wire. c) How much time is required for an electron to travel the length of the wire? d) What is the resistance of this wire?
A copper wire has a square cross section 2.68 mm on a side. The wire is 5.41 m long and carries a current of 3.72 A . The density of free electrons is 8.5×10^28m−3. Part A)Find the magnitude of the current density in the wire. J = 5.18×10^5 A/m2 Part B)Find the magnitude of the electric field in the wire. E = 8.91×10^−3 V/m PartC) How much time is required for an electron to travel the length of the wire?...
A copper wire has cross section area 0.002 m' and length of 400 m, what is the resistance of this copper wire? When a 200-V potential difference is applied over the wire, what is the current through the wire and what is the electric power? If the current is uniformly distributed, what is the current density? If the drift speed is 10 m/s, what is the number density of electrons in the wire? (Given copper's resistivity as 2x10 s2 m)....
A 10.0 cm length of copper wire has a uniform cross-sectional area of 1.0 mm2. If the drift speed of electrons in the wire is: 2.0x10-4 m/s and the electrons all move directly along the wire, what is the magnitude of the current density? What is the total current carried by the wire.
nand a cross sectional area of 0.270 mm2. If the resistivity of copper is 1.70 x 10 m and a potential difference of 0.500 V is maintained across its lenqth, determine the current in has a length of 1.50 the wire (In A) Need Help? Read It -1 points SerPSE10 26.3.0P010 M Ask Your Teacher My Notes f the magnitude of the drift velocity of free electrons in a copper wire i 10 m/s. what the electric field in the...
You have a 100-m copper wire with cross-sectional area 0.25 mm2 and resistivity 1.7×10−8Ω⋅m. You make a 780-turn solenoid by winding the wire on a plastic tube (diameter 4.0 cm, length 10 cm). a) Determine the resistance of the solenoid. Express your answer with the appropriate units. b) Determine the inductance of the solenoid. Express your answer with the appropriate units. c) Determine the frequency of the alternating current at which the inductive reactance of the solenoid is equal to...
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...
Conductivity of copper is5.8e7. A copper wire with a square cross-section has a width of 2mm. The AC resistance of this wire is measured as 40.853 ohms at 2 GHz. Find the length of this wire.
A copper wire of cross-sectional area 2.40 × 10-6 m2 and length 3.40 m has a current of 2.80 A uniformly distributed across that area. (a) what is the magnitude of the electric field along the wire? (b) How much electrical energy is transferred to thermal energy in 20.0 min?
"0000" gauge copper wire has a cross-sectional radius of 2.6cm. The resistivity of copper is 1.72 times 1-8ohmm. The circumference of the earth at the equator is 4.0 times 107m. What is the resistance of a piece of "0000"gauge wire that has been wrapped around the earth at the equator? 1200 ohm 840 ohm 320 ohm 0.032 ohm 0.084 ohm Select the following statement which is true about current flow. Select One of the Following: Current flows along lines of...