Questions, Problems: Simple phenomena of magnetism

Fill in the missing words:

  1. Like poles . . . . . . . . . . . . . . . . .; unlike poles . . . . . . . . . . . . . . . . .
  2. A magnet can be made by . . . . . . . . . . . . . . . . . . it or by using a current in an . . . . . . . . . . . . . . . . . . . . .
  3. Strong magnets can be demagnetised by: a coil carrying . . . . . . . . . . . . . . . . . current . . . . . . . . . . . . . . . . . . or . . . . . . . . . . . . . . . . .
  4. The Earth’s magnetic field is rather like that of a . . . . . . . . . . . . . . . magnet with its . . . . . . . . . . . . . . . . .-pole in the northern hemisphere.
  5. Iron is easily . . . . . . . . . . . . . . . . . . . . . . and easily . . . . . . . . . . . . . . . . . . . . .
    Steel is used to make . . . . . . . . . . . . . . . . . .
  6. If the N-pole of a magnet is brought near an unmagnetised nail, then magnetism is . . . . . . . . . . . . . . . . . into the nail.
    The nail is then . . . . . . . . . . . . . . . . . to the magnet.