Class VI

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 
Which of the following is a non-magnetic material ? 
  1. Nickel 
  2. Wood 
  3. Iron 
  4. Cobalt 
Which of the following is a natural magnet ? 
  1. Iron 
  2. Magnetite 
  3. Nickel 
  4. Cobalt P[
A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filling clinging to the
  1. North pole is almost equal to the south pole
  2. North pole is much more than the south pole.
  3. North pole is much less than the south pole.
  4. Magnet will be same all along its length
Usually the North Pole of a magnetic needle is painted ______.
  1. Red
  2. Blue
  3. Green
  4. Black
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