The correct direction of the magnetic field in the given figures is shown by:
| 1. | 2. | ||
| 3. | 4. |
The magnetic lines of force inside a bar magnet are:
| 1. | from the south to the north pole. |
| 2. | from the north to the south pole. |
| 3. | not present. |
| 4. | intersecting each other. |
Which of the following is the correct representation of magnetic field lines?

| 1. | (g), (c) | 2. | (d), (f) |
| 3. | (a), (b) | 4. | (c), (e) |
Which one of the following is correct?
| 1. | The magnetic field lines also represent the lines of force on a moving charged particle at every point. |
| 2. | The magnetic field lines can be entirely confined within the core of a toroid, but not within a straight solenoid. |
| 3. | A bar magnet exerts a torque on itself due to its own field. |
| 4. | The magnetic field arises due to stationary charges. |