Electricity and Magnetism questions | Grade VIII

1. Define magnet .
2. Define magnetism .
3. Write the properties of magnet .
4. What do you mean by magnetic substances ?
5. Define non-magnetic substances .
6. Define molecular magnet .
7. State molecular theory of magnetism .
8. What is magnetization ?
9. Write the method of magnetization .
10. Define demagnetization .
11. Write the ways of demagnetization .
12. Define electricity .
13. Write the types of electricity .
14. Define static electricity .
15. What is meant by current electricity ?
16. Define sources of electricity .
17. Write the sources of electricity .
18. Define cell .
19. What do you mean by simple and dry cell ?
20. Draw a well labeled diagram of simple cell .
21. Write the construction of simple cell.
22. Write the defects of cell .
23. Define polarization .
24. How is polarization removed from simple cell .
25. What do you mean by depolarizer ? Give example.
26. What do you mean by local action ?
27. How can be local action prevented ?
28. Draw the diagram of dry cell .
29. Explain the construction of dry cell .
30. Define electric circuit .
31. Write the materials required for electric circuit .
32. Draw the symbol of different material required for electric circuit .
33. Write the types of electric circuit with definition and diagram .
34. Define combination of cell .
35. Write the types of combination of cell with definition .
36. Write the merits and demerits of parallel and series combination of cell .

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