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The field lines have no start or stop. They form closed loops and can never cross. The field lines are found inside and outside the magnet. From the point of view looking from inside the magnet the field lines appear to be (say) S to N, while outside the lines appear to be N to S. ( you could choose the opposite convention)
+-->---| S inside -->--------- N | --- outside-->-+
+-----------<-----------<-----------<---------------<-+
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Should common nouns always be capitalized?
Only if they are at the start of a sentence. Otherwise they are not capitalised.
Why should you always start with low power when using a microscope?
You don't have to its just to see the different cycles.
Why does a magnet loses its magnetism when it is strongly heated or hammered?
A magnet is an alignment of particles in a solid. You can imagine a magnet as a bunch of tiny magnets that are all pointing in the same direction. When they point in the same direction, the little parts add up, and the magnet works like you'd expect. When you heat or hammer a magnet, the little magnetic parts can get jostled and unaligned. When that alignment is disturbed, they no longer point in the same direction and may even cancel other magnetic parts out, weakening and eventualy destroying the magnetism.
What two types of microphone patterns do you need for an ms technique?
For the side signal S you need always a figure-of-eight microphone. For the midle signal M you can choose what you want. Start with a cardioid.
What happens when the current in an electromagnet is turned on?
Many permanent magnets are based on iron compounds, so are conductive. Why they are magnets, the iron neuclei are individually magnetic and align through something called the Exchange interaction, which allows a closer approach of the nuclei than less comples inter atomic interactions. (just some properties of magnetic materials) The individual iron atoms group into regions called domains, these (in iron compounds) tend to also align, giving a reasonably good permanent magnetic nature for the bar of iron compound. So the individual; magnetic moment of the iron atoms are grouped into an overall alignment in the bar, leading to the permanent bar magnetic property. OK we have a (for example) rod if iron compound that is a bar magnet. If we put a current through it, it may play with the exchange interaction, disaligning the individual domains, reducing the overall magnetic flux intensity of the bar magnet. The current will develop an additional magnetic field which will spiral around the (assumed) length wise orientation of the bar magnet. This will create a superposition of the magnetic flux intensities, and likely work to disrupt the orientations of the magnetic domains within the barmagnet. So two effects, a possible change in the permanent magnetic flux intensity of the bar magnet and a generation of a secondary magnetic flux intensity which will be detectable as a spiral field around the metal object
What is true about magnetic field lines but not electric filed lines?
Magnetic field lines form closed loops, while electric field lines start and end on charges. Also, magnetic field lines do not begin or end; they always form continuous loops.
What is true about magnetic field lines but not electric field limes?
Magnetic field lines are closed loops, while electric field lines always start at positive charges and end at negative charges. Additionally, magnetic field lines do not have beginning or end points, unlike electric field lines which have distinct starting and ending points.
How are magnetic field lines like electric field lines?
Magnetic field lines are similar to electric field lines in that they both represent the direction and strength of the field at various points in space. Both types of field lines are used to visualize the field's behavior and provide insights into the field's properties. However, magnetic field lines form closed loops, while electric field lines start and end on charges.
Why are magnetic field lines closed and continues curves?
Magnetic field lines are closed and continuous curves because they represent the direction of the force experienced by a magnetic north pole placed in that field. The lines form closed loops because magnetic field lines never start or end; they always form complete loops that return to their origin. This continuous nature of magnetic field lines reflects the continuous nature of magnetic fields in space.
Why do electrostatics field lines do not form closed loops?
Electrostatic field lines represent the direction of the electric field at each point in space. They originate from positive charges and terminate on negative charges, ensuring that they do not form closed loops. This is because field lines cannot start or end at a point without a charge, and must always connect charges to maintain the conservation of electric flux.
Do electric field lines always form closed loops?
yes because they start from the positive charge and ends at the negative charge so closed path
Do magnetic field line complete loops?
Yes, magnetic field lines form closed loops that are continuous. They always start from the north pole of a magnet, loop around the magnet, and return to the south pole.
What distance from each other are two magnets before they repel to each other?
The distance at which two magnets start to repel each other varies depending on the strength of the magnets. Generally, when the distance between two magnets is less than the sum of their magnetic field radii, they will start to repel each other. This distance can be smaller for stronger magnets and larger for weaker magnets.
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.
How maxwell's second equation prove magnetic mono pole does not exist?
Maxwell's second equation (Gauss's law for magnetism) states that magnetic monopoles do not exist since magnetic field lines always form closed loops, indicating that there is no source or sink of magnetic field. This means that magnetic field lines never start or end at a single point, and instead always form complete loops, leading to the conclusion that magnetic monopoles do not exist.
Why are magnetic field lines conventionally taken to emanate from north pole to south pole?
Magnetic field lines are assumed to emanate from north pole to south pole because this convention was established by early physicists who were trying to describe the behavior of magnets. It allows for a consistent way to represent the direction of magnetic fields in space. Additionally, this convention aligns with the observed interactions between magnets where opposite poles attract each other and like poles repel.
Why does magnets have poles?
Magnets have poles because of the arrangement of their atoms. In a magnet, the atoms align in a way that creates north and south poles. This alignment results in a magnetic field that allows magnets to attract or repel other objects.
