The diagram shows a magnet
being used to pick up a steel
bar. The N-pole of the magnet is
close to the centre Q of the steel
bar as shown. What are the poles
induced in the steel bar at P, Q,
and R?
| Pole induced at P | Pole induced at Q | Pole induced at R | |
| A | N | N | N |
| B | N | S | S |
| C | S | N | S |
| D | S | S | S |
ANSWER B is not correct and the correct answer is NSN which is not given in the options

