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E) zero 5. If R is the distance from a magnetic dipole, then the magnetic field...
If R is the distance from a magnetic dipole, then the magnetic field it produces is...
If R is the distance from a magnetic dipole, then the magnetic field it produces is proportional to: 1/R3 R 1/R R2 1/R2
A.)For a charge moving with velocity v, the magnetic field lines are circles centered on the...
A.)For a charge moving with velocity v, the magnetic field lines are circles centered on the line of v and lying in planes perpendicular to this line. True or False B.)The net force on a magnetic dipole (e.g. a small magnet) in a uniform magnetic field is zero. True or False C.)To determine the direction of the force on a straight current-carrying wire, we point the fingers of our right hand in the direction of the magnetic field, curl our...
1. A proton is moving at an angle of 80° to a uniform magnetic field. What...
1. A proton is moving at an angle of 80° to a uniform magnetic field. What is the relationship between the direction of the force on the proton and the direction of the magnetic field? * (1 Point) parallel to the magnetic field at an angle of 10° to the magnetic field at an angle of 80° to the magnetic field at an angle of 180° to the magnetic field perpendicular to the magnetic field 2. An electron is moving...
Computer cables create little to no magnetic field because they are comprised of closely spaced wires...
Computer cables create little to no magnetic field because they are comprised of closely spaced wires carrying oppositely directed currents. (True -False) The magnetic field of a short segment of current-carrying conductor is due primarily to the random motions of the charges moving through the segment. (True -False) A current element that is directed out of the page produces magnetic field lines that form clockwise circles. (True- False) Iron, nickel, and cobalt have relative permeabilities that are much larger than...
Suppose you are a distance r from a magnetic dipole. Far from the dipole, the magnetic...
Suppose you are a distance r from a magnetic dipole. Far from the dipole, the magnetic field of the dipole is approximately proportional to 1/r^n. What is the value of n?
Short answer questions: a. The magnitude of the magnetic field at a distance R from a...
Short answer questions: a. The magnitude of the magnetic field at a distance R from a long straight wire is equal to B. At what distance will the magnitude of the magnetic field be equal to 3B? b. Two long parallel wires carry equal but opposite currents. Are there any points in space where the total magnetic field is equal to zero? If so, where? If not, why not? c. A simple loop circuit contains two sources, a resistive wire,...
1. Magnetic Field Generated by a Current in a Wire Under steady-state conditions, a magnetic fiel...
1. Magnetic Field Generated by a Current in a Wire Under steady-state conditions, a magnetic field B has curlB in a region where there is no current. We study the steady-state magnetic field B due to a constant current in an infinitely long straight thin wire. The magnitude of the magnetic field at a point depends only on the distance from the wire and its direction is tangent to the circle around the wire and determined by the right-hand rule....
Derive an expression for the magnetic field produced at point P due to the current-carrying wire...
Derive an expression for the magnetic field produced at point P due to the current-carrying wire shown in the figure below. The curved parts of the wire are pieces of concentric circles. Point P is at their center. (Use the following as necessary: 1, R1, R2, θ, and O. Assume that the +x axis is to the right, the +y axis is up along the page, and the +z axis is out of the page.) μο Need Help?Read It
An electron moves in the negative x direction, through a uniform magnetic field that is in...
An electron moves in the negative x direction, through a uniform magnetic field that is in the negative y direction. The magnitude force on the electron is: a) is the negative x direction B) in the positive y direction C) in the negative y direction D) in the positive z direction E) in the negative z direction At a distance R from a current carrying wire, what is the direction of the magnetic field relative to the wire? A) in...
1. A proton is moving at an angle of 80° to a uniform magnetic field. What is the relationship between the direction of the force on the proton and the direction of the magnetic field? * (1 Point) parallel to the magnetic field at an angle of 10° to the magnetic field at an angle of 80° to the magnetic field at an angle of 180° to the magnetic field perpendicular to the magnetic field 2. An electron is moving...
Short answer questions: a. The magnitude of the magnetic field at a distance R from a long straight wire is equal to B. At what distance will the magnitude of the magnetic field be equal to 3B? b. Two long parallel wires carry equal but opposite currents. Are there any points in space where the total magnetic field is equal to zero? If so, where? If not, why not? c. A simple loop circuit contains two sources, a resistive wire,...
1. Magnetic Field Generated by a Current in a Wire Under steady-state conditions, a magnetic field B has curlB in a region where there is no current. We study the steady-state magnetic field B due to a constant current in an infinitely long straight thin wire. The magnitude of the magnetic field at a point depends only on the distance from the wire and its direction is tangent to the circle around the wire and determined by the right-hand rule....
Derive an expression for the magnetic field produced at point P due to the current-carrying wire shown in the figure below. The curved parts of the wire are pieces of concentric circles. Point P is at their center. (Use the following as necessary: 1, R1, R2, θ, and O. Assume that the +x axis is to the right, the +y axis is up along the page, and the +z axis is out of the page.) μο Need Help?Read It
An electron moves in the negative x direction, through a uniform magnetic field that is in the negative y direction. The magnitude force on the electron is: a) is the negative x direction B) in the positive y direction C) in the negative y direction D) in the positive z direction E) in the negative z direction At a distance R from a current carrying wire, what is the direction of the magnetic field relative to the wire? A) in...
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