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How yo find the magnetic field of earth at a particular place?
Using a compass is the easiest way. The needle is going to point to the Magnetic North Pole. That means that the compass needle is ALIGNED with the Magnetic Field Lines of the Earth's magnetic field at your current position.
Which is true of magnetic field lines but not electric field lines?
they show wich way iron shavings would align themselves They always make closed loops. Electric field lines can either form closed loops or they can start and finish on isolated electric charges. Magnetic field lines always only form closed loops.
What effect does a magnetic field have on a charged particle?
Yes, a moving electron will create a magnetic field. Any moving charge will create a magnetic field around its path of travel. This is the basis for the electromagnetic force, which is one of the four fundamental forces in nature.
Why does a compass needle deflect in a magnetic field?
A compass needle is lightly magnetized, and will align itself with the lines of magnetic force at your locale. *It will not necessarily point to the Poles. The South magnetic pole is currently at about 68 deg S - some long way from 90 deg.
What is a definition of magnetic field lines?
The magnetic lines of force are not real, they are imaginary lines of force which we draw using a north pole. We can draw as many as we desire using a different starting point for our drawing of lines of force. (Of course, we say that we say that when the strength is more we draw the lines closer and when it is less, we draw them sparse, but it is still subjective, one can start at a different point and draw as many lines .how can we depend on the number of lines for the definition of flux? Is there no better definition? We can straight forward define it as perhaps which is less ambiguous.
How yo find the magnetic field of earth at a particular place?
Using a compass is the easiest way. The needle is going to point to the Magnetic North Pole. That means that the compass needle is ALIGNED with the Magnetic Field Lines of the Earth's magnetic field at your current position.
Do the magnetic lines of force actually exist?
No actual 'lines' exist, but it is a useful way of describing a magnetic field, as it represents the direction the north pole of a magnet would move if it was free to do so.
Which is true of magnetic field lines but not electric field lines?
they show wich way iron shavings would align themselves They always make closed loops. Electric field lines can either form closed loops or they can start and finish on isolated electric charges. Magnetic field lines always only form closed loops.
What train runs without wheels?
Maglev (magnetic levitation) trains run by way of a magnetic field generated by magnets embedded in the track. As such, they have little or no need for wheels.
What effect does a magnetic field have on a charged particle?
Yes, a moving electron will create a magnetic field. Any moving charge will create a magnetic field around its path of travel. This is the basis for the electromagnetic force, which is one of the four fundamental forces in nature.
Why do two magnetic lines never intersect each other?
It is important to realize that magnetic lines do not really exist! They are a tool to visualize the magnetic field, but the field is continuous and does not exist solely inside lines. The direction of the lines gives the direction of the magnetic field, the density of lines, its strength. This also explains why no two field lines can ever intersect; a field line carries information about the direction of the magnetic field, if they would intersect an ambiguity would arise about the direction (not to mention a field of apparent infinite strength since the density would be infinite at the point of crossing). The field lines are almost never used in explicit calculations; instead one uses a vector, an entity which contains information about the magnitude and direction of a field in every point in space and time. Adding two magnetic fields is then easy; just add the vectors of both fields in every point in space (and time). You can use the resulting vector field to draw field lines again if you want. An easy way to imagine what would happen to field lines when they might intersect is to look at them as being such vectors. Imagine you have one field line pointing to the right, and another one pointing up. The result of adding would be a field line pointing somewhere in the up-right direction (the exact direction depending on the relative magnitudes of the fields). If the fields are equal in magnitude but opposite in direction they would cancel; the field line disappears. But this is to be expected! The magnetic fields canceled each other in that point! One has to take care with this analogy however; as for field lines the measure of magnitude is their density; which is an undefined thing if you are considering just one field line per field. For a vector however, the measure of magnitude is its length. Therefore adding two field lines of the same magnitude and pointing in the same direction would result in a vector of twice the length, but in field line language you would have to double the density at that point. This is one of the reasons field lines are used for visualization but not calculation. By the way, all these things apply to other fields as well. Electric fields can also be represented by field lines, and they as well cannot intersect (for the same reasons). Electric field lines, however, are not necessarily closed loops like magnetic field lines (this has to do with the non-existence of magnetic monopoles).
What is a magnetic compass?
A magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections. AA magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections.
What is a magnetic field vector?
It is a way of representing the magnetic force at a point in the field. The magnitude and direction of the vector represents the strength and the direction of the magnetic force acting on a charged particle in the field.
Why are magnetic field lines conventionally taken to emanate from north pole to south pole?
magnetic lines of forces tavel from north pole to south pole because they are defined in that way. i mean to say as we know that the lines of forces are not real they are just been assumed for our calculations . now as lines of force has been defined as the path traced by a unit north pole when placed in a magnetic field then the lines of force will always start from a north pole and travel towards south pole as north pole repel unit north pole and south pole attract it.
Why does a compass needle deflect in a magnetic field?
A compass needle is lightly magnetized, and will align itself with the lines of magnetic force at your locale. *It will not necessarily point to the Poles. The South magnetic pole is currently at about 68 deg S - some long way from 90 deg.
What is a definition of magnetic field lines?
The magnetic lines of force are not real, they are imaginary lines of force which we draw using a north pole. We can draw as many as we desire using a different starting point for our drawing of lines of force. (Of course, we say that we say that when the strength is more we draw the lines closer and when it is less, we draw them sparse, but it is still subjective, one can start at a different point and draw as many lines .how can we depend on the number of lines for the definition of flux? Is there no better definition? We can straight forward define it as perhaps which is less ambiguous.
A device that uses the Earth's magnetic field to indicate which way North is?
That is called a magnetic compass.
