How does a solenoidbehave likea magnet ? Can you determinethe north and south poles of a current - carrying solenoidwith the help of abar magneti ? Explain.

How does a solenoidbehave likea magnet ? Can you determinethe north an

1.	How does a solenoidbehave likea magnet ? Can you determinethe north and south poles of a current - carrying solenoidwith the help of abar magneti ? Explain.
Answer» Solution :(1) A current- carryingsolenoid behaves like a barmagnet and the polaritiesof itsends dependupon the directionof the currentthrough it . (2) Yes,we can usea bar magnet to determine the north and south polesof a current- carryingsolenoid . (3) In orderto determine the magnetic POLES of a current - carryingsolenoidplace it in a brass HOOK and suspend it with a long thread so that it can moves freely ina horizontal plane. Bringthe north pole of a bar magnet NEAR one of its ends . If that ENDOF the solenoidmoves towards the bar magnet , thenitmust be its south poleandthe other END itsnorth pole . Onthe contrary,if that end of thesolenoidmoves away from the magnet ,then itmust beits north poleand the otherend its south pole .