Class VI

Which of the following action will NOT make a magnet loose its magnetic properties?
  1. Drop a magnet from height
  2. Hammer a magnet
  3. Pass Electric current from a current
  4. Heat a magnet
In a bar magnet, magnetic power is
  1. more that both ends of the magnet
  2. more in the middle of the magnet.
  3. is same through the magnet.
  4. none of these
According to Law of Magnets "Unlike poles ________ each other and like poles _______ each other".
  1. repel, attract
  2. attract, attract
  3. attract, repel
  4. repel, repel
When a magnet is suspended freely in air with the help of string, it aligns itself in _________ direction.
  1. South-West
  2. North-East
  3. East-West
  4. North-South
Which of the following is a non-magnetic material?
  1. Nickel
  2. Wood
  3. Iron
  4. Cobalt
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