Read the questions and select the best answer.
1.
| Assertion (A): | When the iron nail is connected to a battery, it attracts paper clips. |
| Reason (R): | Electric current flowing through the coil produces a magnetic field. |
2.
| Assertion (A): | Disconnecting the battery stops the magnetic effect immediately. |
| Reason (R): | The iron nail becomes a permanent magnet after use. |