Similarities and differences between a bar magnet and a current carrying solenoid
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DIFFERENCE:
a bar magnet is a permanent magnet where as solenoid is a electromagnet.i.e.it acts as a magnet only when electricity is passed through it.
SIMILARITIES:
there is no similarities except that ,they both act as magnets.
BAR MAGNET
Bar Magnet is a natural magnet which may be rectangular or cylindrical in shape and produce magnetic properties naturally.
SOLENOID
Solenoid is comprised of an insulated copper wire wound on a cylindrical conducting rod such that its length is greater than its diameter .The Solenoid is from Greek word for channel.
It is temporary strong magnet,when connected through external source like battery or when electricity passed through it.It is also known as ELECTROMAGNET.
1.Both have a attractive and directive properties.
2.The magnetic field lines are exactly identical to those due to a cylindrical bar magnet with one end of the solenoid acting as a south-pole and its other end as a north -pole.thus, a current-carrying solenoid behave like a bar magnet with fixed polarity at its ends.
a bar magnet is a permanent magnet where as solenoid is a electromagnet.i.e.it acts as a magnet only when electricity is passed through it.
SIMILARITIES:
there is no similarities except that ,they both act as magnets.
BAR MAGNET
Bar Magnet is a natural magnet which may be rectangular or cylindrical in shape and produce magnetic properties naturally.
SOLENOID
Solenoid is comprised of an insulated copper wire wound on a cylindrical conducting rod such that its length is greater than its diameter .The Solenoid is from Greek word for channel.
It is temporary strong magnet,when connected through external source like battery or when electricity passed through it.It is also known as ELECTROMAGNET.
1.Both have a attractive and directive properties.
2.The magnetic field lines are exactly identical to those due to a cylindrical bar magnet with one end of the solenoid acting as a south-pole and its other end as a north -pole.thus, a current-carrying solenoid behave like a bar magnet with fixed polarity at its ends.
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