Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
| Column I | Column II |
| N-______ | _________ |
| N-________ | Attraction |
| S-N | |
| ________-S | Repulsion |
| Column I | Column II |
| N-N | Repulsion |
| N-S | Attraction |
| S-N | Attraction |
| S-S | Repulsion |
Explain why the bulb would not glow in the arrangement shown in Fig. 9.13.

Complete the drawing shown in Fig. 9.14 to indicate where the free ends of the two wires should be joined to make the bulb glow

Would the bulb glow after completing the circuit shown in Fig. 9.14 if instead of safety pin we use an eraser?


| Object | Material |
| Book | Glass |
| Tumbler | Wood |
| Chair | Paper |
| Toy | Leather |
| Shoes | Plastics |
Write first five multiples of :
| Column 1 | Column 2 |
| (i) 35 | (a) Multiple of 8 |
| (ii) 15 | (b) Multiple of 7 |
| (iii) 16 | (c) Multiple of 70 |
| (iv) 20 | (d) Factor of 30 |
| (v) 25 | (e) Factor of 50 |
| (f) Factor of 20 |