A piece of steel can be magnetised by stroking it with a magnet. When the magnet is moved in the direction shown, which poles are produced at X and at Y ?
| X | Y | |
| (A) | North | North |
| (B) | North | South |
| (C) | South | North |
| (D) | South | South |
A piece of steel can be magnetised by stroking it with a magnet. When the magnet is moved in the direction shown, which poles are produced at X and at Y ?
| X | Y | |
| (A) | North | North |
| (B) | North | South |
| (C) | South | North |
| (D) | South | South |