i really dont know
A motor effect is when magnetic flux lines interact with the current flow in the current conducting wire (a production of current means there is a production of a magnetic field, thus the magnetic field of a permanent magnet interacts with the magnetic field of the current), hence causing a motor effect, where electric energy is transformed into mechanical energy. In a galvanometer, the concept of the motor effect is used for it to detect and measure the magnitude of small electric currents as an instrument. A galvanometer uses radial magnets which cover more area of the rotor (this is where the needle is attached), as this rotor consists of an armature and loops of wire, it is perpendicular to the magnetic flux lines of the radial magnet. Therefore as the current flows through the coil, a magnetic field is produced, and the motor effect occurs allowing the needle to move on the scale.
Magnetic domains are microscopic areas of a solid where the atoms all have their magnetic moments aligned. If these domains are randomly aligned then a ferromagnetic material like iron or nickel will not have any permanent magnetism. If these domains start to align with each other the bulk material will show permanent magnetism. The area around a magnet where the force acts is the magnetic field.
A bar magnet is strongest at its ends, or poles. This is because there is a magnetic field, or B field, that is produced by the magnet itself. The magnetic field can be represented by magnetic field lines, which enter one end of the magnet and exit the other.For instance, in a bar magnet, the magnetic field lines emerge from the north pole of the magnet and enter the magnet at the south pole. Since a magnet has two poles, it is said to be a magnetic dipole.The magnetic field lines are most closely packed together at the poles, since it is a short distance to the opposite pole of the magnet. This is why a bar magnet is most effective at short distances. Picking up a paperclip from a centimeter or two away is much easier than trying to magnetically attract a paperclip to a magnet from a distance greater than five or six centimeters.
The strongest magnetic area of a bar magnet is the sides.
magnetic field is a imaginary area around a manetic material where other magnetic subestences experience some force but flux is the imaginary lines of force that arise from magnet which indicate direction of force around it.
the area of magnetic force around a magnet is called the magnetic field
A Magnetic Force
magnetic field
magnetic field
The magnetic field surrounds the magnet. The lines of magnetic force repel each other, ultimately forming a sphere of decreasing strength.
the north and south poles
A motor effect is when magnetic flux lines interact with the current flow in the current conducting wire (a production of current means there is a production of a magnetic field, thus the magnetic field of a permanent magnet interacts with the magnetic field of the current), hence causing a motor effect, where electric energy is transformed into mechanical energy. In a galvanometer, the concept of the motor effect is used for it to detect and measure the magnitude of small electric currents as an instrument. A galvanometer uses radial magnets which cover more area of the rotor (this is where the needle is attached), as this rotor consists of an armature and loops of wire, it is perpendicular to the magnetic flux lines of the radial magnet. Therefore as the current flows through the coil, a magnetic field is produced, and the motor effect occurs allowing the needle to move on the scale.
The volume surrounding a magnet will be filled with the lines of magnetic force. Since these are similarly polarized, they repel each other - eventually creating a sphere at a sufficiently large distance. This sphere is the magnetic field of that magnet.
according to the ampere's law . magnetic field is strongest in a loop or a plane. and about toroid the magnetic is strongest in the coil where the wire is rotated around it . Magnetic field is minimum inside and outside the toroid.
Magnetic domains are microscopic areas of a solid where the atoms all have their magnetic moments aligned. If these domains are randomly aligned then a ferromagnetic material like iron or nickel will not have any permanent magnetism. If these domains start to align with each other the bulk material will show permanent magnetism. The area around a magnet where the force acts is the magnetic field.
"http://wiki.answers.com/Q/How_are_a_magnets_magnetic_force_and_magnetic_field_different"
A bar magnet is strongest at its ends, or poles. This is because there is a magnetic field, or B field, that is produced by the magnet itself. The magnetic field can be represented by magnetic field lines, which enter one end of the magnet and exit the other.For instance, in a bar magnet, the magnetic field lines emerge from the north pole of the magnet and enter the magnet at the south pole. Since a magnet has two poles, it is said to be a magnetic dipole.The magnetic field lines are most closely packed together at the poles, since it is a short distance to the opposite pole of the magnet. This is why a bar magnet is most effective at short distances. Picking up a paperclip from a centimeter or two away is much easier than trying to magnetically attract a paperclip to a magnet from a distance greater than five or six centimeters.