1. What is the main difference between a primary cell and a secondary cell?

a) A primary cell can be recharged, while a secondary cell cannot

b) A primary cell produces a constant voltage, while a secondary cell does not

c) A primary cell has a non-removable electrolyte, while a secondary cell has a removable electrolyte

d) A primary cell has a lower capacity than a secondary cell

2. What type of cell is commonly used in car batteries?

a) Lead-acid cell

b) Lithium-ion cell

c) Nickel-cadmium cell

d) Nickel-metal hydride cell

3. What type of electrolyte is used in lead-acid cells?

a) Lithium hydroxide

b) Potassium hydroxide

c) Sulfuric acid

d) Hydrochloric acid

4. What type of reaction occurs in a secondary cell during charging?

a) Reduction

b) Oxidation

c) Displacement

d) Neutralization

5. What type of reaction occurs in a secondary cell during discharge?

a) Reduction

b) Oxidation

c) Displacement

d) Neutralization

6. What is the function of a separator in a secondary cell?

a) To keep the electrodes apart

b) To prevent leakage of the electrolyte

c) To increase the cell's capacity

d) To improve the cell's efficiency

7. What is the function of a voltage regulator in a secondary cell?

a) To control the flow of current

b) To prevent overcharging or over-discharging

c) To increase the cell's capacity

d) To improve the cell's efficiency

8. What is the typical voltage of a lead-acid cell?

a) 1.5 V

b) 2.5 V

c) 12 V

d) 24 V

9. What is the typical voltage of a nickel-cadmium cell?

a) 1.5 V

b) 2.5 V

c) 12 V

d) 24 V

10. What is the typical voltage of a lithium-ion cell?

a) 1.5 V

b) 2.5 V

c) 12 V

d) 24 V

Answers:

1. C
2. A
3. C
4. B
5. A
6. A
7. B
8. C
9. A
10. D