Asked by  | 30th Sep, 2011, 02:24: PM

Expert Answer:

This can happen if the compass needle is made of a temporary magnet because temporary magnets retain their magnetic properties only under certain conditions like presence of a strong magnet or an electric current in the vicinity.

Answered by  | 7th Oct, 2011, 12:05: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.