Guidelines

Are magnetic field lines lines of force?

Are magnetic field lines lines of force?

In the case of a magnetic field, since no isolated unit pole has ever been discovered, the field lines are called lines of force only in the sense that a small magnet is forced to align itself in the direction of these field lines. An electric charge traveling along a magnetic field line undergoes no magnetic force.

How do magnetic field lines work?

All magnets have north and south poles. Opposite poles are attracted to each other, while the same poles repel each other. When you rub a piece of iron along a magnet, the north-seeking poles of the atoms in the iron line up in the same direction. The force generated by the aligned atoms creates a magnetic field.

What is the magnetic force to magnetic field lines?

The magnetic force on a moving charge is exerted in a direction at a right angle to the plane formed by the direction of its velocity and the direction of the surrounding magnetic field.

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Can magnetic force work at a distance?

The magnetic force is one which acts-at-a-distance . Since magnetic forces can be attractive or repulsive, they are quite different from gravitational forces which are only attractive, but do have parallels with electric forces which similarly can be attractive or repulsive.

Is magnetic lines of force and magnetic field lines are same?

List the ways in which magnetic field lines and electric field lines are similar. For example, the field direction is tangent to the line at any point in space. For example, electric force is parallel to electric field lines, whereas magnetic force on moving charges is perpendicular to magnetic field lines.

Why do not two magnetic field lines of force intersect each other?

The magnetic field lines never intersect each other because if two or more lines intersect each other than it means that at that point of intersection, the magnetic field has two directions at the same point. This is not possible for a magnetic field to point in more than one direction at the same point.

Do magnetic field lines actually exist?

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No, a magnetic field is not a discrete bunch of lines. Field lines are real in the same sense that the arrows are, or the contour lines on a map. They aren’t just a picture – they genuinely represent something mathematical about the field. But the field lines I choose to draw aren’t unique.

What is the difference between magnetic force and magnetic field?

Therefore magnetic force is defined as, “The force between two moving charges may be described as the effect exerted upon either charge by a magnetic field created by the other.” The space or the region around a magnet within which magnetic force is exerted on other magnet is called the magnetic field.

Is magnetic field and magnetic force same?

Therefore magnetic force is defined as, The space or the region around a magnet within which magnetic force is exerted on other magnet is called the magnetic field.

Why can’t two magnetic field lines cross each other?

Can magnetic lines of force cross each other?

Magnetic field lines can never cross, meaning that the field is unique at any point in space. Magnetic field lines are continuous, forming closed loops without beginning or end.

Does distance affect magnetic field?

Magnetic force obeys an inverse square law with distance. If the distance between two magnets is halved the magnetic force between them will increase to four times the initial value.

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What are magnetic flux lines of force?

Magnetic lines of force are used to represent a magnetic field. Faraday introduced the idea of flux lines to simplify the analysis of magnetic fields. One must remember that the field is continuous and exists between, as well as along, the lines of force. They form closed paths.

Can two magnetic lines of force intersect each other?

Two magnetic lines of force can not intersect each other. They tend to contract longitudinally. They tend to expand laterally. A current-carrying conductor experiences magnetic forces in a magnetic field. Fleming’s Left-Hand Rule predicts the direction of the magnetic forces,

How do you find the magnetic force of a magnet?

v =qv×Bv The magnetic force exerted on a charge q moving with velocity v in a magnetic field B. This equation actually defines the magnetic B-field. Visualizing a M. Field: Field lines

Where do magnetic lines of force start and end?

Magnetic lines of force start from the North Pole and end at the South Pole. They are continuous through the body of a magnet. Magnetic lines of force can pass through iron more easily than air.