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What will be the force acting on the electron due to magnetic field of the solenoid when an electron is moving with a velocity V along the axis of a long straight solenoid carrying a current I?
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What is the shape of magnetic lines force in case of a straight current carrying conductor?
circular
How magnetic field lines look in hollow cylindrical electromagnet?
Inside the hollow cylindrical electromagnet ("solenoid"), the magnetic field lines are straight, parallel to each other, and parallel to the axis of the cylinder. They get more complicated at the ends, but the above statement is good for a solenoid of infinite length, which has no ends, and is a good approximation in the center of a real one.
What is Magnetic field on the axis of a current carring circular coil?
A current circulating in a hollow copper coil (solenoid) produces a magnetic field equal to the permeability times the turns density times the current. B = μ x n x I * B is the magnetic field measured in Tesla * μ is the relative permeability of the solenoid's core which is air in this example and have a value approximated to 1.25663706E-6 * n is the turns density which equals the number of turns divided by the solenoid length n = N/L where L is measured in meters. * I is the current flowing within the solenoid and measured in Amperes
How do you calculate the magnetic field strength in an injector cyclotron?
- Magnetic field strength is the intensity of a magnetic field at a given location. Historically, a distinction is made between magnetic field strength H, measured in ampere/meter, and magnetic flux density B, measured in tesla. Magnetic field strength is defined as the mechanical force (newton) on a wire of unit length (m) with unit electric current(A). The unit of the magnetic field, therefore, is newton/ (ampere x meter), which is called tesla. The magnetic field may be visualized by magnetic field lines. The field strength then corresponds to the density of the field lines. The total number of magnetic field lines penetrating an area is called magnetic flux. The unit of the magnetic flux is tesla x m2 = weber. The older units for the magnetic flux, maxwell = 10-8 weber, and for the magnetic flux density, gauss = maxwell / cm2 = 10-4 tesla, are not to be used any more. Magnetic flux density diminishes with increasing distance from a straight current-carrying wire or a straight line connecting a pair of magnetic poles around which the magnetic field is stable. At a given location in the vicinity of a current-carrying wire, the magnetic flux density is directly proportional to the current in amperes. If a ferromagnetic object such as a piece of iron is brought into a magnetic field, the "magnetic force" exerted on that object is directly proportional to the gradient of the magnetic field strength where the object is located. ------------------------------------------------------------------- B=μH Magnetic field in Solenoid B=μnI where n is turns/m So H=nI --------------------------------------------
What happens if the electron enters the magnetic field parallel to B?
It continues in a straight line at a constant speed in the absence of any other field except the B vector field parallel to its velocity vector.
The magnetic field around a solenoid has a configuration similar to the field of a long straight wire?
no
How will you describe the magnetic field around a straight current carrying wire?
Yes, if you place your thumb in the flow direction, the magnetic direction around the wire will be ccw.
What is the shape of magnetic lines force in case of a straight current carrying conductor?
circular
How will you describe the magnetic field around a straight current-carrying wire?
the magnetic field gets stronger with increasing distance from the wire
How does a solenoid act as a magnet?
When current is passed through a solenoid coil, magnetic field produced due to each turn of solenoid coil is in the same direction. As a result the resultant magnetic field is very strong and uniform. The field lines inside the solenoid are in the form of parallel straight lines along the axis of solenoid. Thus, the solenoid behaves like a bar magnet.
Suppose that you're facing a straight current-carrying conductor and the current is flowing toward you. The lines of magnetic force at any point in the magnetic field will act in?
A clockwise direction
How magnetic field lines look in hollow cylindrical electromagnet?
Inside the hollow cylindrical electromagnet ("solenoid"), the magnetic field lines are straight, parallel to each other, and parallel to the axis of the cylinder. They get more complicated at the ends, but the above statement is good for a solenoid of infinite length, which has no ends, and is a good approximation in the center of a real one.
What is Magnetic field on the axis of a current carring circular coil?
A current circulating in a hollow copper coil (solenoid) produces a magnetic field equal to the permeability times the turns density times the current. B = μ x n x I * B is the magnetic field measured in Tesla * μ is the relative permeability of the solenoid's core which is air in this example and have a value approximated to 1.25663706E-6 * n is the turns density which equals the number of turns divided by the solenoid length n = N/L where L is measured in meters. * I is the current flowing within the solenoid and measured in Amperes
How do you calculate the magnetic field strength in an injector cyclotron?
- Magnetic field strength is the intensity of a magnetic field at a given location. Historically, a distinction is made between magnetic field strength H, measured in ampere/meter, and magnetic flux density B, measured in tesla. Magnetic field strength is defined as the mechanical force (newton) on a wire of unit length (m) with unit electric current(A). The unit of the magnetic field, therefore, is newton/ (ampere x meter), which is called tesla. The magnetic field may be visualized by magnetic field lines. The field strength then corresponds to the density of the field lines. The total number of magnetic field lines penetrating an area is called magnetic flux. The unit of the magnetic flux is tesla x m2 = weber. The older units for the magnetic flux, maxwell = 10-8 weber, and for the magnetic flux density, gauss = maxwell / cm2 = 10-4 tesla, are not to be used any more. Magnetic flux density diminishes with increasing distance from a straight current-carrying wire or a straight line connecting a pair of magnetic poles around which the magnetic field is stable. At a given location in the vicinity of a current-carrying wire, the magnetic flux density is directly proportional to the current in amperes. If a ferromagnetic object such as a piece of iron is brought into a magnetic field, the "magnetic force" exerted on that object is directly proportional to the gradient of the magnetic field strength where the object is located. ------------------------------------------------------------------- B=μH Magnetic field in Solenoid B=μnI where n is turns/m So H=nI --------------------------------------------
What happens if the electron enters the magnetic field parallel to B?
It continues in a straight line at a constant speed in the absence of any other field except the B vector field parallel to its velocity vector.
What type of magnetic field lines represent uniform magnetic field?
straight parallel lines
Suppose that you're facing a straight current-carrying conductor and the current is flowing toward you the lines of magnetic force at any point in the magnetic field will act in?
The lines of magnetic force at any point in the magnetic field of a current flowing towards you will act in the counter clockwise direction. This can be determined by using the right hand rule. Point your thumb in the direction of the current flowing down the straight wire. The curl of your fingers shows the direction of the magnetic lines of flux. The magnetic field of a current is always perpendicular to it. A current facing away from you would produce magnetic lines of force acting in the clockwise direction.
