A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in a horizontal...
A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in a horizontal plane and carries a current of 2.05 A . The density of copper is 8920 kg/m3. A. Find the magnitude of the magnetic field needed to suspend the wire against gravity. B. Find the direction of the magnetic field needed to suspend the wire against gravity. Assume the current points east.
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A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in
a horizontal...
A 1.0-m-long, 1.0-mm-diameter copper wire (mass density 8920 kg/m3 ) carries a current of 50 A...
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?
Consider a straight piece of copper wire of length 8 m and diameter 8 mm that...
Consider a straight piece of copper wire of length 8 m and diameter 8 mm that carries a current I = 4.5 A. There is a magnetic field of magnitude B directed perpendicular to the wire, and the magnetic force on the wire is just strong enough to “levitate” the wire (i.e., the magnetic force on the wire is equal to its weight). Find B. Hint: The density of copper is 9000 kg/m3 .
Let’s say you want to “float” a section of copper wire, which is 7.65 cm long...
Let’s say you want to “float” a section of copper wire, which is
7.65 cm long and 2.34 mm in diameter within the magnetic field of
Earth near the Earth’s surface. Assume the magnetic field of Earth
makes a 31° with respect to the horizontal and has a magnitude of
3.5.×10-5 T. The current is flowing from west to east. See the
diagram given below.
Let's say you want to "float" a section of copper wire, which is 7.65 cm...
Let's say you want to "float" a section of copper wire, which is 7.65 cm long...
Let's say you want to "float" a section of copper wire, which is 7.65 cm long and 2.34 mm in diameter within the magnetic field of Earth near the Earth's surface. Assume the magnetic field of Earth makes a 31° with respect to the horizontal and has a magnitude of 3.5.x10-5 T. The current is flowing from west to east. See the diagram given below. 5.Draw a Free Body Diagram of the wire. 22-degrees B 6. What is the value...
4.A coaxial cable has an inner core of copper wire with a 3 mm diameter with a current density of...
4.A coaxial cable has an inner core of copper wire with a 3 mm diameter with a current density of 1.768E4 A/m2. The image shows a cross-sectional area of the wire. The current in the core is flowing out of the page. The core is surrounded by a thin sheath of insulating material, 1mm thick. Surrounding this is a thin cylindrical shell of copper wire 1mm thick, that carries the returning current back into the page. The copper shell is...
A long horizontal wire carries a current of I1 = 14.5 A. A second wire, made...
A long horizontal wire carries a current of I1 = 14.5 A.
A second wire, made of 0.150 mm diameter copper wire, is 90.0 cm
below the first wire and is held in suspension magnetically. What
is the magnitude and direction of the current in the bottom wire?
Give a + sign if I2 is parallel to I1, and a
- sign if I2 is opposite to I1.
The mass density of Copper is 8.93×103 kg/m3.
We were unable to...
8. Two long straight copper wires of diameter d = 0.2 mm are parallel to each...
8. Two long straight copper wires of diameter d = 0.2 mm are parallel to each other, one above the other, at a distance of 1 mm (measured center to center). The mass density of copper is 8.96 g/cm3. a) Compute the weight of a wire, per meter. b) If you run a current / through both wires you could, in principle, suspend the lower wire, i.e. make the magnitude of the magnetic force on it equal to its weight....
A horizontal wire of length 1.0 m carries a current of 48 A to the right....
A horizontal wire of length 1.0 m carries a current of 48 A to the right. A second wire with a length of 0.5 m and a mass of 0.50 kg is suspend 0.30 m above the first wire. In what direction(left or right) does the current in the upper wire have to flow in order to be suspended against the force of gravity? What is the magnitude of the magnetic field (in mu T) due to the bottom wire...
2. (20 points) A copper wire with a square cross-section (side length 5 of 3.00 A. The two wires are parallel over a region of 20.0 cm, where they are 1.60 cm apa produces a magnetic field on the...
2. (20 points) A copper wire with a square cross-section (side length 5 of 3.00 A. The two wires are parallel over a region of 20.0 cm, where they are 1.60 cm apa produces a magnetic field on the copper wire. The copper wire is conn current directed rightward. Data of copper: resistivity = 1.68 x 10-8 Ωm; free electron number density-8.50 x 1028/㎡ a. What is the magnetic field the iron wire exert on the copper wire? (For this...
A long horizontal wire carries a current of IT = 49.1 A. A second wire (I...
A long horizontal wire carries a current of IT = 49.1 A. A
second wire (I = 5.54×103 A, parallel to IT), made of 2.30 mm
diameter copper wire and parallel to the first but a distance L
below it, is held in suspension magnetically, as seen in the figure
below. (This means the upwards magnetic force on that lower wire is
just large enough to hold it up against its own weight)
What is the distance L between the...
Let’s say you want to “float” a section of copper wire, which is
7.65 cm long and 2.34 mm in diameter within the magnetic field of
Earth near the Earth’s surface. Assume the magnetic field of Earth
makes a 31° with respect to the horizontal and has a magnitude of
3.5.×10-5 T. The current is flowing from west to east. See the
diagram given below.
Let's say you want to "float" a section of copper wire, which is 7.65 cm...
Let's say you want to "float" a section of copper wire, which is 7.65 cm long and 2.34 mm in diameter within the magnetic field of Earth near the Earth's surface. Assume the magnetic field of Earth makes a 31° with respect to the horizontal and has a magnitude of 3.5.x10-5 T. The current is flowing from west to east. See the diagram given below. 5.Draw a Free Body Diagram of the wire. 22-degrees B 6. What is the value...
4.A coaxial cable has an inner core of copper wire with a 3 mm diameter with a current density of 1.768E4 A/m2. The image shows a cross-sectional area of the wire. The current in the core is flowing out of the page. The core is surrounded by a thin sheath of insulating material, 1mm thick. Surrounding this is a thin cylindrical shell of copper wire 1mm thick, that carries the returning current back into the page. The copper shell is...
8. Two long straight copper wires of diameter d = 0.2 mm are parallel to each other, one above the other, at a distance of 1 mm (measured center to center). The mass density of copper is 8.96 g/cm3. a) Compute the weight of a wire, per meter. b) If you run a current / through both wires you could, in principle, suspend the lower wire, i.e. make the magnitude of the magnetic force on it equal to its weight....
A horizontal wire of length 1.0 m carries a current of 48 A to the right. A second wire with a length of 0.5 m and a mass of 0.50 kg is suspend 0.30 m above the first wire. In what direction(left or right) does the current in the upper wire have to flow in order to be suspended against the force of gravity? What is the magnitude of the magnetic field (in mu T) due to the bottom wire...
2. (20 points) A copper wire with a square cross-section (side length 5 of 3.00 A. The two wires are parallel over a region of 20.0 cm, where they are 1.60 cm apa produces a magnetic field on the copper wire. The copper wire is conn current directed rightward. Data of copper: resistivity = 1.68 x 10-8 Ωm; free electron number density-8.50 x 1028/㎡ a. What is the magnetic field the iron wire exert on the copper wire? (For this...
A long horizontal wire carries a current of IT = 49.1 A. A
second wire (I = 5.54×103 A, parallel to IT), made of 2.30 mm
diameter copper wire and parallel to the first but a distance L
below it, is held in suspension magnetically, as seen in the figure
below. (This means the upwards magnetic force on that lower wire is
just large enough to hold it up against its own weight)
What is the distance L between the...
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