A copper wire has a diameter of 3.247 mm. What magnitude of current flows when the...

A copper wire has a diameter of 3.247 mm. What magnitude of current flows when the drift velocity is 4.40 mm/s? Take the density of copper to be 8.92 g/cm3. Give your answer in Amperes.

PLEASE PLEASE PLEASE answer correctly

Expert Solution

genius_generous answered 1 year ago

A copper wire with diameter of 1,5 mm and length of 4m carries constant current of...

A copper wire with diameter of 1,5 mm and length of 4m carries constant current of 1.75 A. The free electron density in the wire is 8,5x1028 m-3. The resistivity of copper is 1,72x10-8 .m. Calculate a) current density, b)drift velocity, c) magnitude of electric field, d) potential between the terminals of wire, e)power dissipated as heat f) mean free time. (mass of electron: 9,1x10-31kg, magnitude of charge of electron: 1,6x10-19 C)

A 2.0 mm -diameter, 50 cm -long copper wire carries a 4.5 A current. What is...

A 2.0 mm -diameter, 50 cm -long copper wire carries a 4.5 A current. What is the potential difference between the ends of the wire?

What is the current in a wire of radius R = 3.58 mm if the magnitude...

What is the current in a wire of radius R = 3.58 mm if the magnitude of the current density is given by (a) Ja = J0r/R and (b) Jb = J0(1 - r/R) in which r is the radial distance and J0 = 5.08 × 10^4 A/m^2? (c) Which function maximizes the current density near the wire’s surface?

A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a...

A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a 34.0 m long piece of such wire. (Use 1.72×10-8 Ωm for the resistivity of copper.) 2.809×10-1 Ohm For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring, the limit is 15.0 A for rubber insulated wire of that size. How much power would be dissipated in the wire of the above...

What is the resistance of a 2.9-m length of copper wire 1.4 mm in diameter?

What is the resistance of a 2.9-m length of copper wire 1.4 mm in diameter? The resistivity of copper is 1.68×10-8Ω⋅m.

A current carrying gold wire has diameter of 0.84 mm. the electric field in the wire...

A current carrying gold wire has diameter of 0.84 mm. the electric field in the wire is 0.49 V/m. What is a The current carried by the wire? b The potential difference between two points in the wire 6.4 m apart? c The resistance of a 6.4 m length of this wire.

If 47.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop...

If 47.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at a constant rate of 10.5mT/s, at what rate is thermal energy generated in the loop? _______________ W

400 mA of electrical current flows through a 4 mm radius copper wire extending along the...

400 mA of electrical current flows through a 4 mm radius copper wire extending along the z axis. If the current is homogeneous, find: a) The volumetric density of current. b) The radius of the cross section through which 200 mA of electric current flows. c) The electric current flowing through a cross section of 2 mm radius.

A 0.500 mm diameter copper wire makes up a 136 turns, 7.60 cm diameter coil. There...

A 0.500 mm diameter copper wire makes up a 136 turns, 7.60 cm diameter coil. There is a magnetic field parallel to the axis of the coil. If the induced current in the coil is 2.80 A, what is the rate of change of the magnetic field? a) 0.0839 T/s b) 3.63×10-6 T/s c) 12.8 T/s d) 1.74×103 T/s

#12AWG copper wire (0.081” diameter) has a current carrying capacity of 20A. (a)With 20 A in...

#12AWG copper wire (0.081” diameter) has a current carrying capacity of 20A. (a)With 20 A in the wire, what is the magnitude of the magnetic field the surface of the wire? (b) If a very long, straight piece of this wire is placed in the Earth’s magnetic field at sea level (~ 0.5 Gauss)with the wire at right angles to the field, where are the points at which the Earth’s magnetic field is canceled, i.e. the net magnetic field is...

Question