A Bar magnet is used to pick up the iron nail At which part P, Q and R is the easiest for the magnet to pick up the iron nail ? |
|||
(a) |
At P |
(b) |
At Q |
(c) |
At R |
(d) |
It makes no difference at any part |
A Bar magnet is used to pick up the iron nail At which part P, Q and R is the easiest for the magnet to pick up the iron nail ? |
|||
(a) |
At P |
(b) |
At Q |
(c) |
At R |
(d) |
It makes no difference at any part |