Q.14 If a copper wire has a radius = 1.0 mm and has a 0.23 V/m electric field strength along its length. Find the current carried by the wire.

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. 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.
a.) A 33.9-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of 7.00 V is applied across the length of the wire, determine the current in the wire. b.) If the wire is heated to 40.0°C while the 7.00-V potential difference is maintained, what is the resulting current in the wire?
(a) A 35.3-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of 7.0 V is applied across the length of the wire, determine the current in the wire. (Use the values in this table.) 1.48 A (b) If the wire is heated to 40.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire?
(a) A 34.1-m length of copper wire at 20.0°C has a radius of 0.21 mm. If a potential difference of 8.00 V is applied across the length of the wire, determine the current in the wire. (Use the values in this table.) A (b) If the wire is heated to 40.0°C while the 8.00-V potential difference is maintained, what is the resulting current in the wire? A
A 5.0-m long, 1.0-mm diameter piece of copper wire (resistivity 1.7*10-8m)is woundinto a coil of many turns that has a radius of 0.10 m. The ends of the wire are connected to a 1.5-V battery. Find:a) the magnetic field strength at the center of the coil.b) the magnitude and direction of the magnetic force on a proton placedat the center of the coil
A 1.0-m-long, 1.0-mm-diameter copper wire (mass density 8920 kg/m3 ) carries a current of 50 A to the east. Suppose you want to levitate the wire by applying an externally created magnetic field. What field strength and direction do you need?
A 100 m copper wire 2 mm in diameter has a 1.0 A current inside. The copper wire is joined end to end to a 114 m long iron wire of the same diameter. Find the potential drop across the iron wire, ρIron = 9.7x10-8 Ω-m.
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 cylindrical copper wire heater (resistivity of 1.7x10 Qm) has a radius of 0.5 mm and a length of 10 m. What is the current on this wire when it is connected to a voltage source of 120 V? 2.8 A 65 A 52 A 124 A
cylindrical copper wire heater (resistivity of 1.7x109 2m) has a radius of 0.5 mm and a length of 10 m. What is the current on this wire when it is connected to a voltage source of 120 V? 10 A (a) 2.8 A (b) 65 A (c) 52A (d) 124 A