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प्रश्न
What do you understand by the term magnetic field lines?
What are magnetic field lines?
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उत्तर १
A magnetic field line is a continuous curve in a magnetic field such that tangent at any point of it gives the direction of the magnetic field at that point.
उत्तर २
Magnetic field lines are imaginary lines that indicate the direction and strength of the magnetic field around a magnet.
संबंधित प्रश्न
A charged particle enters at right angles into a uniform magnetic field as shown:
What should be the nature of charge on the particle if it begins to move in a direction pointing vertically our of the page due to its interaction with the magnetic field?
What is an artificial magnet? State two reasons why do we need artificial magnets .
Explain the following :
The north end of a freely suspended magnetic needle gets attracted towards a piece of soft iron placed a little distance away from the needle.
Draw the pattern of magnetic field lines near a bar magnet placed with its North Pole pointing towards the geographic North. Indicate the position of neutral points by marking X.
Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.
Insert two magnetic field lines on either side of the magnet using arrow head to show the direction of each field line.
The intensity of a magnetic field is indicated by the lines of ______.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
What are the properties of a magnet?
State whether true or false. If false, correct the statement.
Magnetic field lines always repel each other and do not intersect.
