A magnet is placed in iron powder and then taken out, then maximum iron powder is at
If an iron bar is placed near a bar magnet then opposite pole appear on an iron bar at near end to bar magnet and similar pole appears on the iron bar at the farther end to the bar magnet.
Question 4
North pole of a magnet can be identified by
(a) Another magnet having its poles marked as North pole and South pole.
(b) Another magnet no matter whether the poles are marked or not.
(c) Using an iron bar.
(d) Using iron filings.
Question 5
A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filling clinging to the
(a) North pole is almost equal to the south pole.
(b) North pole is much more than the south pole.
(c) North pole is much less than the south pole.
(d) Magnet will be same all along its length.