Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 972 · 40 questions

Remember (Low, dry, with an adult): Never use mains sockets (about 230 V) for projects; never open chargers or poke into sockets. Water carries current: dry hands, no drinks near circuits, no switches when wet. Use small battery cells with an adult; stop if a part gets hot; keep away from fallen wires, poles and kites near power lines.

1. 1.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 9 V (c) 12 V (d) 230 V
2. 2.Which of these is not safe? (a) use small battery cells (b) build with an adult near (c) fly a kite near wires (d) dry your hands first
3. 3.⚠️ Is it safe to fly kites in open fields? (a) not safe (b) safe
4. 4.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
5. 5.True or false: to use mains for a project is not safe. (a) True (b) False
6. 6.Which of these is not safe? (a) stop if a part gets hot (b) fly kites in open fields (c) take cells out after use (d) open a phone charger
7. 7.⚠️ Is it safe to stay away from pylons? (a) not safe (b) safe
8. 8.🔍 Which is the odd one out? (a) build with an adult near (b) fly kites in open fields (c) stop if a part gets hot (d) throw cells in a fire
9. 9.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a short circuit (b) a parallel circuit (c) an open circuit (d) a safe circuit
10. 10.Which of these is not safe? (a) fly kites in open fields (b) keep drinks far away (c) take cells out after use (d) poke things in a socket
11. 11.⚠️ Is it safe to climb an electric pole? (a) not safe (b) safe
12. 12.🔍 Which is the odd one out? (a) fly kites in open fields (b) touch a switch when wet (c) use small battery cells (d) stay away from pylons
13. 13.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a long wire (c) a bulb (d) a fuse or MCB
14. 14.True or false: to throw cells in a fire is safe. (a) False (b) True
15. 15.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
16. 16.Which of these is safe? (a) open a phone charger (b) throw cells in a fire (c) touch a switch when wet (d) keep drinks far away
17. 17.Which of these is not safe? (a) stop if a part gets hot (b) throw cells in a fire (c) use small battery cells (d) dry your hands first
18. 18.True or false: to build with an adult near is not safe. (a) False (b) True
19. 19.Which of these is safe? (a) fly a kite near wires (b) touch a fallen wire (c) climb an electric pole (d) take cells out after use
20. 20.🔍 Which is the odd one out? (a) poke things in a socket (b) stay away from pylons (c) climb an electric pole (d) open a phone charger
21. 21.True or false: to use mains for a project is safe. (a) False (b) True
22. 22.Which of these is not safe? (a) fly kites in open fields (b) take cells out after use (c) touch a switch when wet (d) keep drinks far away
23. 23.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
24. 24.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe
25. 25.True or false: to touch a fallen wire is safe. (a) True (b) False
26. 26.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) a mains extension board (c) an inverter socket (d) a small battery pack
27. 27.True or false: to touch a fallen wire is not safe. (a) True (b) False
28. 28.⚠️ Who should be with you when you build a circuit? (a) nobody (b) a trusted adult (c) a younger child (d) a stranger online
29. 29.⚠️ Is it safe to throw cells in a fire? (a) not safe (b) safe
30. 30.Which of these is safe? (a) use mains for a project (b) open a phone charger (c) touch a fallen wire (d) use small battery cells
31. 31.Which of these is safe? (a) climb an electric pole (b) fly kites in open fields (c) fly a kite near wires (d) poke things in a socket
32. 32.Which of these is safe? (a) touch a switch when wet (b) open a phone charger (c) build with an adult near (d) poke things in a socket
33. 33.⚠️ Is it safe to touch a switch when wet? (a) not safe (b) safe
34. 34.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) water makes it cold (c) it is just untidy (d) water carries current
35. 35.True or false: to climb an electric pole is not safe. (a) False (b) True
36. 36.Which of these is not safe? (a) stay away from pylons (b) keep drinks far away (c) build with an adult near (d) use a cable with cuts
37. 37.🔍 Which is the odd one out? (a) build with an adult near (b) poke things in a socket (c) dry your hands first (d) keep drinks far away
38. 38.True or false: to build with an adult near is safe. (a) False (b) True
39. 39.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
40. 40.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) wait and watch (b) pull them by the hand (c) pour water on them (d) shout for an adult

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