The needle of a compass *1 point
a)is a tiny magnet that rests in north-south direction
b)gets deflected when a magnet is brought closer to it
c)gets deflected when current flows in a nearby wire
d)all of these
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The needle of a compass *1 point
a)is a tiny magnet that rests in north-south direction
b)gets deflected when a magnet is brought closer to it
c)gets deflected when current flows in a nearby wire
d)all of these
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option c
Answer:
A compass points north because all magnets have two poles , a north pole and a south pole, and the north pole of one magnet is attracted to the south pole of another magnet. (You may have seen this demonstrated by a pair of simple bar magnets or refrigerator magnets pushed end to end.)