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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
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
Define magnetic field lines. Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
Explain why iron filings which are sprinkled on a sheet of cardboard placed over a bar magnet take up a definite pattern when cardboard is slightly tapped.
Explain the method of plotting the magnetic field lines by using a small compass needle.
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
The intensity of a magnetic field is indicated by the lines of ______.
Select the correct option:
The magnetic strength of a bar magnet is:
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
Magnetic lines of force never ______ each other.
