1. Which switch among the following is commonly used for a calling bell?

2. Which of the following is a non-metallic electrical conductor?

3. A metal commonly used to make electric lines?

4. All metals are ___________ of electricity.

5. From what do solar cells generate electrical energy?

6. Which tool do electricians use to check for the presence of electric current?

7. The tool used to cut wires and remove insulation?

8. What does the symbol 'M' represent in circuit diagrams?

9. The name used in a circuit to indicate a system of multiple cells?

10. Which battery was used to make the emergency lamp in the textbook?