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Applying a magnetic field only in the z-direction simplifies the analysis of a system, making calculations more straightforward. Additionally, it allows researchers to isolate the effects of the magnetic field in one direction, making it easier to control and manipulate the interactions between the field and the system under study.

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What statements about magnetic fields B is not true?

Magnetic fields do not require a medium to propagate, unlike mechanical waves. The direction of the magnetic field lines represent the direction a north magnetic pole would move if placed in the field. Magnetic fields can only be produced by moving charges or currents, and not by stationary charges. Magnetic fields exert forces on moving charges according to the Lorentz force law.


How does iron become magnetic?

Iron is a magnetic material, which means that it can be attracted by magnets. To make it become magnetic so as to attract other objects (i.e. to function as a magnet), the process of magnetic induction can be used. This can involve stroking the iron rod with a magnet several times (e.g. 20 times) in a fixed direction.


Why are only certain materials magnetic?

Certain materials are magnetic because their atoms have unpaired electrons that align in the same direction, creating a magnetic field. Materials like iron, nickel, and cobalt are magnetic because of their atomic structure, while materials like wood or plastic do not have this alignment of electrons and are not magnetic.


How can one determine the direction of the magnetic field for a current carrying wire?

Curl your right-hand fist around the wire, with your thumb pointing in the direction of the current in the wire. Your four curled fingers point in the direction of the magnetic field that surrounds the wire.


Why generator produces only AC?

A generator produces electricity by moving wires through a magnetic field. The direction of the induced current is dependent upon the direction in which the wire crosses the magnetic field. In a generator the magnetic field is usually fixed - and the wires are spinning through it. So: Visualize a horizontal magnetic field. The axis of rotation of the wires is perpendicular to the field. Any given wire will be cutting up through the field at a given point... then, 180º later will be cutting down through the same field. The direction of the induced current will reverse with each half-rotation because the wire will be moving in the opposite direction relative to the magnetic field. (In the USA the generators produce "60 cycle" current. That tells you that the generators are turning their wires (coils) at 60 revolutions per second.) Richard yeaa buddie...Lickety splyt

Related Questions

How would you use the Earth's magnetic field to tell you where on Earth you are?

You can't. The only thing the earth's magnetic field can tell you is the direction from where you are toward the earth's magnetic pole. That doesn't tell you anything about where you are.


Does a magnetic field exert any pressure on a charge moving perpendicular to its direction?

Only moving charges experience force in a magnetic field. i.e.,on moving ,a charge q,with velocity v ,experiences a force in the presence of electric field(E) and magnetic field (B). It can be represented as F= q(v x B)~(Ftotal=Felectricfield + Fmagneticfield ) Force acts perpendicular to both magnetic field and velocity of the electron. Its direction is given by right hand thumb rule or screw rule. The magnetic force is zero if charge is not moving, since lvl=0.


It affects only objects that have magnetic domains what is it?

Magnetism is the property that affects objects with magnetic domains, which are regions within a material where atomic magnets are aligned in a common direction. When a magnetic field is present, these domains can align to create a magnetic force.


Is it possible to apply magnetic field to wood?

only if the iron deposits in the soil are so great and the tree absorbs enough of that iron would wood be magnetic.


What statements about magnetic fields B is not true?

Magnetic fields do not require a medium to propagate, unlike mechanical waves. The direction of the magnetic field lines represent the direction a north magnetic pole would move if placed in the field. Magnetic fields can only be produced by moving charges or currents, and not by stationary charges. Magnetic fields exert forces on moving charges according to the Lorentz force law.


How are electric force and magnetic force similar?

Both act only on charged particles (ions, protons, or electrons). ?However, an electric field (which generates an ELECTRIC FORCE) acts on a particle in the same direction as the field, given by the equation:F(vector) = q*E(vector)The resulting force vector is in the same direction as the field vector (for positive charges).A magnetic field generates a force ONLY on a MOVING charge, and ONLY if the charge is moving non-parallel to the magnetic field:F(vector) = q*v(vector) x B(vector)Because of the cross-product, the magnetic force is a direction perpendicular to the velocity and magnetic field vectors (use the right hand rule to figure out the direction of magnetic force). ?The particle will still have momentum from its initial velocity, so an applied magnetic field will (pretty much) always make the particle move in a curved path.


What is magnetic order?

Selenium is diamagnetic; it only creates a magnetic field in opposition to an external magnetic field.


Does increasing current on a wire increase the magnetic force acting on it?

Yes, increasing the current in a wire will increase the magnetic force acting on it. This is described by the right-hand rule, where the direction of the magnetic force is perpendicular to both the current flow and the magnetic field. Increasing the current increases the strength of the magnetic field around the wire, leading to a stronger magnetic force.


What is selenium's magnetic ordering?

Selenium is diamagnetic; it only creates a magnetic field in opposition to an external magnetic field.


How did a magnet become a magnet?

A material becomes a magnet when its domains align in the same direction, creating a magnetic field. This alignment can be achieved by exposing the material to a magnetic field or by rubbing it with an existing magnet.


Can you deflect metal with magnetism?

Yes, metal can be deflected by magnetism through the use of a magnetic field. When a metal object interacts with a strong magnetic field, it can be pushed or pulled in a certain direction due to the magnetic forces at play.


How does iron become magnetic?

Iron is a magnetic material, which means that it can be attracted by magnets. To make it become magnetic so as to attract other objects (i.e. to function as a magnet), the process of magnetic induction can be used. This can involve stroking the iron rod with a magnet several times (e.g. 20 times) in a fixed direction.