The given diagram shows a magnet being used to pick up a steel bar. The north pole of the magnet is close to the centre of the steel bar as shown. What are the poles induced in the steel bar at X, Y and Z?
Pole induced at X |
Pole induced at Y |
Pole induced at Z |
|
A | N | N | N |
B | N | S | N |
C | S | N | S |
D | S | S | S |