Mark the right option for each question:
| S.No | Material | Bulb |
| 1. | Metal | Glows |
| 2. | Plastic | Does not glow |
| 3. | Wood | Does not glow |
Situations:
1. The bulb glows when connected with:
2. What pattern is observed?
3. What process is observed?
4. What factor affects bulb glowing?
5. What is the correct conclusion?