Electricity and Circuits
Q.1. Name some devices which run on electricity.
Q.2. Name one source of current.
Q.3. Name some devices which use electric cells.
Q.4. How many terminals does a cell have?
Q.5. Which kind of energy a cell uses to produce electricity?
Q.6. What are the components of a torch?
Q.7. What is an electric circuit?
Q.8. What is a closed electric circuit?
Q.9. When is a circuit said to be broken or open?
Q.10. What is the direction of current in an electric circuit?
Q.11. What are the elements of an electric circuit?
Q.12. Give the symbols to represent a battery, a cell, a switch and a bulb.
Q.13. What is the main reason for a bulb getting fused?
Q.14. What is an electric switch?
Q.15. What are conductors?
Q.16. What are insulators?
Q.17. Who invented the electric cell?
Q.18. Who invented the electric bulb?
Q.19. Name one non metal which is a conductor?
Q.20. Name some conductors of electricity?
Q.21. Name some insulators of electricity?
Q.22. What is the use of coating with an insulating material over the wire?
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