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प्रश्न
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.
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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.
A thick wire is hanging form a wooden table. An anticlockwise magnetic field is to be produced around the wire by passing current through this wire by using a battery. Which terminal of the battery should be connected to the:
(a) top end of wire?
(b) bottom end of wire?
Give reason for your choice.
What is a lodestone?
What is an artificial magnet? State two reasons why do we need artificial magnets .
What do you understand by the term magnetic field lines?
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
State briefly the molecular theory of magnetism.
State briefly the modern views on magnetism.
Define magnetic field lines of force.
