Electricity Online Test 6th Science Lesson 8 Questions in English

1. Which of the following is the Thermal stations in Tamil nadu?
1. Ennore
2. Neyveli
3. Mettur

2. Which of the following city has hydel power station in Tamil Nadu?

3. Which of the following is Atomic power station in Tamil Nadu?
1. Kalpakkam
2. Koodankulam
3. Bodinayakanur

4. Which of the following cities has wind mills?
1. Koodankulam
2. Kayatharu
3. Aralvaimozhi

5. Aralvaimozhi is Situated in______

6. In thermal power stations, thermal energy generated by burning___ is used to produce Steam

7. In Thermal power plant Electricity is produced due to_____

8. Which of the following statement is correct about thermal power plant?
1. The steam thus produced is used to rotate the turbine
2. Here heat energy is converted into electrical energy

9. In hydel power stations____ energy is converted into electrical energy.

10. Which of the following statement is correct?
1. In hydel power stations, the turbine is made to rotate by the flow of water from dams to produce electricity.
2. Hydel stations have long economic lives and high operating cost.

11. In atomic power stations, _____ energy is used to boil water

12. Which of the following statement is correct?
1. nuclear energy is converted into mechanical energy and then electrical energy.
2. Atomic power stations are also called as nuclear power stations

13. In wind mills, ______ energy is converted into electrical energy

14. In cell, ______ energy into electrical energy

15. Which of the following statement is correct?
1. A chemical solution which produces positive and negative ions is used as electrolyte
2. Two different metal plates are inserted into electrolyte as electrodes to form a cell

16. Depending on the continuity of flow of electric current cells are classified in to___ types

17. Which of the following statement is incorrect?
1. Due to chemical reactions, one electrode gets positive charge and the other gets negative charge producing a continuous flow of electric current.
2. Depending on the continuity of flow, cells are classified in to two types. They are primary cells and secondary cells.

18. Which of the following is correct about Primary Cells?
1. They can be recharged.
2. Primary cells are usually produced in small sizes.

19. In which of the following Primary cell is used?
1. Clocks
2. Watches
3. Toys

20. Which of the following is correct about Secondary Cells?
1. A cell that can be recharged many times is called secondary cell
2. They can be used again and again.

21. The size of the secondary cells can be____ depending upon the usage.

22. Which of the following statement is correct?
1. While the secondary cells used in mobiles are in the size of a hand, the cells used in automobiles like cars and buses are large and very heavy.
2. A cell that can be recharged many times is called secondary cell.

23. In which of the following Secondary Cells are used?
1. Laptops
2. Mobile phones
3. emergency lamps

24. Which of the following is called as battery?

25. Which of the following statement is correct?
1. Often, we call cells as ‘batteries’. However only when two or more cells are combined together they make a battery
2. A cell is a single unit that converts chemical energy into electrical energy, and a battery is a collection of cells.

26. Which of the following are correctly matched?
1. Connecting wires- for carrying current
2. A key or a switch- this may be connected anywhere along the circuit to stop or allow the flow of current.

27. Which of the following is correct about electric circuit?
1. Continuous
2. Broken
3. Unbroken

28. Which of the following is correct about open circuit?
1. The bulb will glow in this circuit.
2. In this circuit the key is closed

29. Which of the following is correct about Closed circuit?
1. In a circuit if the key is in closed (on) condition, then electricity will flow and the circuit is called a closed circuit.
2. The bulb will glow in this circuit.

30. Which of the following are the types of circuit?
1. Simple Circuit
2. Series Circuit
3. Parallel Circuits

31. Which of the following is incorrect?

32. When a bulb in series network disconnected the circuit will be____

33. In Home which type of connection is given?

34. If one of bulb gets disconnected in parallel network then the network will remain____

35._____ is a kind of fish which is able to produce electric current.

36. _____ is an instrument used in electric circuits to find the quantity of current flowing through the circuit.

37. Ammeter is to be connected in____

38. The materials which allow electric charges to pass through them are called_____

39. The rate of flow of electric charges in a circuit is called_______

40. Which of the following is a conductor?
1. Copper
2. Earth
3. Pure water

41. The materials which do not allow electric charges to pass through them are called____

42. Which of the following is not an insulator?

43. What is the Safety measures to safeguard a person from electric shock?

44. Thomas Alva Edison was an____ inventor.

45. Which of the following is correct about Edison?
1. He invented more than 1000 useful inventions and most of them are electrical appliances used in homes.
2. He is remembered for the invention of electric bulb