what are the properties of magnetic lines of force with diagram?
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Magnetic lines of force have a number of important properties, which include: They seek the path of least resistance between opposite magnetic poles. In a single bar magnet as shown to the right, they attempt to form closed loops from pole to pole. They never cross one another.
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Symbol 'X' indicates the direction of a magnetic field into the page. Let us find the magnetic force on the straight wire carrying current Which is kept perpendicular to the uniform field 'B'. This 'B' is directed into the page. It is represented by X' in figure.
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The properties of magnetic field lines can be summarized by these rules: The direction of the magnetic field is tangent to the field line at any point in space. A small compass will point in the direction of the field line. The strength of the field is proportional to the closeness of the lines.
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Length contraction has never been directly measured. But its effects show up in the magnetic force that acts between parallel, current-carrying wires. Bizarrely, this force, which is purely magnetostatic, appears in one wire due to length contraction as experienced by the charge carriers in the other wire's frame.
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Properties of magnetic field lines: They are drawn locally as parallel trajectories. They never intersect each other (if they do, it means that one pole is pointing in two directions). They start from North and terminate at South, outside the magnet, and vice-versa inside.
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The electromagnetic force binds negatively charged electrons to positively charged atomic nuclei and gives rise to the bonding between atoms to form matter in bulk. Gravity and electromagnetism are well known at the macroscopic level.
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['These are a result of vibrations between a magnetic field and an electric field.', 'The electric field and the magnetic field are perpendicular to each other and they also happen to be perpendicular to the electromagnetic wave.', 'They have a constant velocity in the air which is 3*10^8 m/s.']
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In short, a force which is responsible to drive flux in the magnetic circuit (same as electromotive (EMF) which drives electron in an electric circuit) is known as magnetomotive force . The SI unit of MMF is AT (Ampere-Turns) and G (Gilbert) is the CGS unit of magnetomotive force.
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Figure 2. The force on a current-carrying wire in a magnetic field is F = IlB sin θ. Its direction is given by RHR-1.
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This relationship is proven with the equation F=IlBsin(theta). The equation shows that as we increase the length of the current-carrying wire, the force will increase since the force acting on the wire depends on the length of the wire.
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Paper 1 – Energy; Electricity; Particle model of matter; and Atomic structure. Paper 2 – Forces; Waves; Magnetism and electromagnetism; and Space physics.
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Per my graph the relationship between the force and the current is adirect/proportional relationship. When one increases so does the other andvice versa.
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magnetic circuits The magnetomotive force, mmf, is analogous to the electromotive force and may be considered the factor that sets up the flux. The mmf is equivalent to a number of turns of wire carrying an electric current and has units of ampere-turns.
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The right hand rule states that: to determine the direction of the magnetic force on a positive moving charge, ƒ, point the thumb of the right hand in the direction of v, the fingers in the direction of B, and a perpendicular to the palm points in the direction of F.
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When the object enters the magnetic field, the force of the magnet acts, and the object is attracted. The pattern of these lines of force tells us something about the characteristics of the forces caused by the magnet. The magnetic lines of force, or flux, leave the north pole and enter the south pole.
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They will look at different types of forces including gravity, air resistance, water resistance, surface resistance and magnetic forces.
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['The particles of matter are very, very small.', 'The particles of matter have space between them.', 'The particles of matter are constantly moving.', 'The particles of matter attract each other.']