1. The phenomenon due to which an unmagnetized magnetic substance behaves like a magnet due to the mere presence of another magnet (which is not actually in physical contact) is called   magnetic lines of force   magnetic induction   magnetic field   Hint Half-n-half Clue   2. If a piece of soft iron is placed in a magnetic field, it will get magnetized by influence or _______.   induction   force   electrification   Half-n-half Clue   3. It is possible to make a bar magnet having a north pole at each end and a south pole in the middle.   True   False   4. During magnetic induction, the end of an unmagnetized magnetic substance nearer to the pole of the inducing magnet acquires _______.   similar polarity   no magnetism   opposite polarity   Half-n-half Clue   5. Magnetic materials have millions of regions called _______, each of which acts as a tiny magnet.   lines   domains   fields   Half-n-half Clue   6. The shape of the Earth's magnetic field is similar to that of a giant bar magnet placed at the Earth's center with its _______ pole toward the geographic north pole.   north   south   7. The soft iron pieces placed across the poles of a magnet to prevent loss of magnetism are commonly called _______.   magnetic meridians   magnetic fields   magnetic keepers   Half-n-half Clue