A magnetic field is a vector field that describes the
magnetic influence on moving electric charges, electric currents, and magnetic materials
. … Magnetic fields are produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin.
What does a magnetic field do?
Magnetic fields force moving electrically charged particles in a circular or helical path. This force—exerted on electric currents in wires in a magnetic field—
underlies the operation of electric motors
. (For more information about magnetic fields, see magnetism.
What is magnetic field short answer?
The magnetic field is
the area around a magnet in which there is magnetic force
. Moving electric charges can make magnetic fields. … The closer the flux lines are to each other, the stronger the magnet is. The farther away they are, the weaker. The flux lines can be seen by placing iron filings over a magnet.
What are three examples of magnetic fields?
- (i). Compass.
- (ii). MRI Scanners.
- (iii). Electric Motor.
- (iv). Speakers.
- (v). Refrigerators.
- (vi). Computer.
- (vii). Microwave.
- (viii). Cars.
What is called magnetic field?
“A magnetic field is
the area around a magnet, magnetic object, or an electric charge in which magnetic force is exerted
.” … The invisible area around a magnetic object that can pull another magnetic object toward it or push another magnetic object away from it is called a magnetic field.
How magnetic field is created?
Conversely, a magnetic field is
produced by an electric charge in motion
. This is in accordance with Faraday’s Law of Induction, which is the basis for electromagnets, electric motors and generators. A charge moving in a straight line, as through a straight wire, generates a magnetic field that spirals around the wire.
What is an example of a magnetic field?
Examples of magnetic force is
a compass, a motor
, the magnets that hold stuff on the refrigerator, train tracks, and new roller coasters. All moving charges give rise to a magnetic field and the charges that move through its regions, experience a force.
How does the magnetic field affect humans?
Low-frequency magnetic fields
induce circulating currents within the human body
. The strength of these currents depends on the intensity of the outside magnetic field. If sufficiently large, these currents could cause stimulation of nerves and muscles or affect other biological processes.
Do humans have a magnetic field?
The human body naturally has both magnetic and electrical fields
. Right down to the tiny cells in our bodies, every part of our body has their own field.
How do you describe a magnetic field?
A magnetic field is a vector field that
describes the magnetic influence on moving electric charges, electric currents, and magnetic materials
. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field.
What is magnetic force in simple words?
Magnetic force,
attraction or repulsion that arises between electrically charged particles because of their motion
. It is the basic force responsible for such effects as the action of electric motors and the attraction of magnets for iron. … The magnetic force influences only those charges that are already in motion.
What is magnetic field and how it is created?
If you have a rotating electric current, it will
create a magnetic field. On Earth, flowing of liquid metal in the outer core of the planet generates electric currents. The rotation of Earth on its axis causes these electric currents to form a magnetic field which extends around the planet.
What is magnetic field in easy way?
a region
of space near a magnet
, electric current, or moving charged particle in which a magnetic force acts on any other magnet, electric current, or moving charged particle.
What devices use magnetic fields?
- Motors and generators.
- Transformers.
- Relays.
- Electric bells and buzzers.
- Loudspeakers and headphones.
- Actuators such as valves.
- Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.
- MRI machines.
How is magnetic fields used in everyday life?
A
door catch
is a simple device that uses the magnetic force of attraction to hold a door closed. Computer hard drives use magnetism to store the data on a rotating disk. More complex applications include: televisions, radios, microwave ovens, telephone systems, and computers.
What are the 6 types of magnetism?
These types of magnetism are:
ferromagnetism, ferrimagnetism, antiferromagnetism, paramagnetism, and diamagnetism
. Ferromagnetism and ferrimagnetism occur when the magnetic moments in a magnetic material line up spontaneously at a temperature below the so-called Curie temperature, to produce net magnetization.
